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Best RC Vehicle Transmissions & Differentials

[Updated Version]TaoTronics Wireless Portable Bluetooth Transmitter Connected to 3.5mm Audio Devices, Paired with Bluetooth Receiver, TV Ears, Bluetooth Dongle, A2DP Stereo Music Transmission
Fast Setup for Immediate Usage: Intuitive installation enables your audio devices to communicate with your Bluetooth headphones and speakers, soundbar, or Amazon Echo up to 33 ft / 10 m. Wirelessly Transmit Audio Anywhere, Anytime: Benefit from Bluetooth audio when exercising, watching late night TV shows, or simply when you want to keep the entertainment for yourself only.
Reviews
"Outstanding easy to use technology that converts my HD table top radio into a receiver capable of transmitting high fidelity audio via Bluetooth to other Bluetooth sound bars and non Bluetooth amplified speakers (via TT-BR01) throughout both levels of my home and to the garage and patio."
"We recently remodeled our bathroom and installed a Bluetooth speaker/fan combo unit in the ceiling. I needed something in the middle to take the audio coming out of the Chromecast and send it up to the speaker in the ceiling. It took about 5 minutes of different combinations of buttons presses on both the transmitter and speaker to finally get them to pair with each other."
"What is hard for me is that, because my TVs are wall mounted, it was not easy to plug in (not the product’s fault) and in one TV when I have to repair it’s harder for me to reach/see."
"Excellent product."
"TL:DR: Overall, very happy with this thing, even with its drawbacks, considering it is pretty cheap. It does this thing where whenever what you're listening fades to silence it leaves a not very faint and very noticeable tail of sparkling noise. Also during silence it randomly gives bursts of noise that fade out in alternating L/F channels. It makes a noise that's very similar to a ground loop and it's extremely annoying."
"Nice unit but if you're going to use this for television, there are going to be latency (lip sync) issues."
"This "transmitter" will not work with the TT-BH01 or TT-BH02 headsets. It will only work with stereo headphones, not headsets. I kept the TT-BH02 headset because that works with my phone and it's a nice headset."
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TaoTronics 65ft Bluetooth Transmitter / Receiver Long Range 3.5mm AUX Wireless Audio Adapter for TV Car Stereo System (Hands-Free Calling in RX Mode, aptX Low Latency, Pair 2 Bluetooth 4.1 Headphones)
2-in-1 Bluetooth Transmitter and Receiver: Connects via 3.5mm or RCA and streams audio to your Bluetooth headphones or speakers in TX mode; receives audio from smartphones, computers, or iPads and tablets when set in RX mode.
Reviews
"We generally have it hooked up as a receiver connected to a stereo system that repeats the music or audio we send from Alexa or an iPhone. Both are connected at once and whichever device is sending first is the one that captures the Bluetooth receiver. I'm guessing the Amazon detail page is simply suggesting that connecting an iPhone to a car stereo system using this device allows hands-free phone calls, but this generally uses the iPhone mic."
"I use with my Ipod Classic 160gb so that I can use wireless Bluetooth headphones up to 30ft away. I'm using sleepphones, the headband that is Bluetooth and has an 8-12hr charge life, but only a 30ft range."
"This setup worked ok with my iPhone 6+ as I could use the headphone port for the aux and if I needed to charge it (long trips), I could use the lightning port."
"MAJOR downside, especially in today's world, without a face on this thing, you can't ensure that you're hooked to your wireless headphones and NOT the upstairs TV."
"I especially like it because my phone has the additional battery pack case which doesn’t allow plugging in the auxiliary cord unless I take the case off so this device eliminates the need for that. I have not tried using it in RX mode to transmit audio from non blue tooth device to Bluetooth device ie TV to speakers."
"Update 01-31-2018. I was contacted by TaoTronics and they asked me to further test out the product. The product has a 12 month guarantee and they will send a replacement unit."
"If I were to start from scratch on a new wireless audio connection I would purchase 2 of these units, then set one to transmit and the other to receive."
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Traxxas 4690 Spur gear, 90-tooth (48-pitch) (for models with Torque-Control slipper clutch)
Traxxas has grown to become the number-1 selling name in RTR nitro and electric models for the last 4 years running. Use Traxxas stock and hop-up replacement parts to get the most out of you Traxxas RTR vehicles.
Reviews
"Fits the fracas perfectly."
"Great product."
"I am learning that there is allot more to the hobby class truck than I thought, and now I have a couple extra of these gears on hand so I can change them out quickly, just in case something gets up in the truck somewhere and I strip out another one."
"Perfect OEM replacement part."
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Best RC Vehicle Differentials

Traxxas 5379X Differential Ring Gear and Pinion, Revo 3.3
Traxxas has grown to become the number-1 selling name in RTR nitro and electric models for the last 4 years running. Use Traxxas stock and hop-up replacement parts to get the most out of you Traxxas RTR vehicles.
Reviews
"Does the job on my Revo 3.3."
"Though, this is a part that always goes bad in a 1/10 E Revo even on 4S Lipo, usually in the rear diff."
"1,000 times better than the XL5 stock parts."
"I use this in my 1-10 scale Mamba Monster Revo running 6s lipos it's a whole lot of torque but these gears hold up quite well compared to the 1:16 revo diff gears which don't last at all."
"I had a few broken teeth on my other one that would cause a clicking sound when I accelerates."
"No strong enough for the E-Revo on 6s."
"This broke on first run out... Did not make thru one battery... would not buy again no stars would not recommend."
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Best RC Vehicle Transmission Gearboxes

Mini Motor Low Speed Gearbox 4-Speed
This compact gearbox features low gear ratios and a type 030 motor. Tamiya USA part number TAM70189; UPC 4950344701896.
Reviews
"It worked like a charm and the light house was the hit of the party."
"The gearbox only resembles that by virtue of having gears inside."
"Want the kids to understand gears, changes in gearing, torque vs speed?"
"I was surprised at how much torque this little guy has."
"The description page suggests it won't run more slowly than 9 rpm, but off-load and at normal voltage I personally found that this would complete a turn in about 15 seconds using the maximum gear ratio."
"Great little "engine that could.""
"perfectly easy to build and works."
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Best RC Vehicle Transmission Gears

Traxxas 6893X Blue-Anodized Aluminum Bearing Adapter (with bearing)
Use Traxxas stock and hop-up replacement parts to get the most out of your Traxxas RTR vehicles. 6160-T6 Aluminum bearing adapter upgrades stock composite bearing adapter.
Reviews
"It's by far the first upgrade you should do to your slash."
"This is a must do upgrade for the Slash/Stampede 4x4 (both trucks are the same drivetrain.)."
"Used this in a slipper clutch rebuild."
"The plastic adapter that came stock on my Fiesta ST rally melted, so I ordered a slipper clutch and added this onto it at the same time."
"Nice direct replacement for the STOCK Traxxas Slash Ultimate motor mount, but does not fit some aftermarket mounts, like Hot Racing."
"Needed upgrade for stampede 4x4."
"Much better option than the stock option."
"Looking forward to install."
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Best RC Vehicle Transmissions

Wolfwhoop WT05 Micro AIO 600TVL Camera Only 3.4g 5.8GHz 48CH 25mW FPV Transmitter with Dipole Brass Antenna Combo for FPV Quadcopter Drone
All in one vtx + camera + antenna, plug and play, ready to fly.
Reviews
"- Shake from the airplane (4 motor DC model) produced zero problems in video feed. FPV: - I was able to fly normal sized patterns at about 200-300ft line of sight distance with little to no break up."
"Well, this cam is only OK.."
"But, picture is pretty nice, and it remembers the channel you were on when you change batteries, or unplug."
"So happy with this 600tvl cam, that I bought it again for my next 90mm quad build."
"I used it on a 716 build and the reception and quality is on par if not better than higher priced options."
"It works and its cheep but beware the polarity may be reversed from your wiring, especially the factory plug on a Eachine E010S!!!"
"I'm giving it 4 stars because I haven't been able to mount it on the mini drone I wanted to."
"To be clear: the polarity of the connector on the camera was reverse of what is shown in the pictures on Amazon. Soldering the camera directly to the battery lead fixed that problem, at the cost of a small amount of added noise in the image. I suspect the 5V circuitry was either damaged by the reverse polarity incident or overloaded by higher current draw of the this camera."
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Best Wireless Microphone Transmitters & Receivers

Mpow Bluetooth 4.1 Receiver and Transmitter, 2-in-1 Wireless 3.5mm Audio Adapter, Pairing with 2 Bluetooth Headphones At Once In TX Mode, Built-in Mic for Hands-free Calling in RX Mode
Mpow 2 in 1 has a mini and protable body and is designed to convenient your life for which could be easily and quickly connect with your Bluetooth devices within 33 feet.If you are annoyed with the wired devices, Mpow will save you from the mess and simplify. Connect the device to your non Bluetooth headphone/home speakers or car stereo system with 3.5mm audio cable. Now you can enjoy your music via Bluetooth speakers/Bluetooth headsets from your non-Bluetooth media device! Voice Assistant: Long press button “+” and “-” simultaneously for 1 second, you could trigger the “voice assistant function” of your phone, and repeat the procedure to close. MAGIC DUAL CONNECTIONS: This Mpow could connect two Bluetooth devices at once in both modes.And the short-cut button "Pairing Switch" provides you a more convenient way to connect the second Bluetooth device after you paired with the first.
Reviews
"Paired it with adapter made for these headphones."
"The Mpow in the picture has the (included) double male adapter inserted. If you pair your Mpow as a receiver, a long push on the '+' button will trigger the shutter on your iPhone ProCamera. That is, if you have the ProCamera App from the app store, which I highly recommend as it basically turns the iPhone 7 plus into a professional camera (RAW images, better HDR, low light options, manual control of focus, shutter and aperture, on screen histograms) I'm thinking this will come in very handy."
"A little pricey for a Bluetooth adapter at (34.99 what I paid), but it is a very high quality piece for several reasons: - Latest Bluetooth technology (exceptional sound quality and range). - Multiple connection options (the device includes multiple cables to use). - Rechargeable, never have to worry about carrying around a spare battery. Overall, this thing works great."
"It is fantastic that it is a receiver and a transmitter in 1 small device. This Bluetooth 4.1 transmitter and receiver comes with... ...bluetooth receiver and transmitter. ...charging cable. ...3.5 audio cable. ...3.5 audio adapter. ...rca cable. ...instructions....... very easy to read and follow. This is the Mpow Bluetooth 4.1 Transmitter/Receiver, 2-in-1 Wireless Audio Adapter for Headphone, Speaker, TV, PC,etc. by Mpow. PACKAGING... ---This 2 in 1 bluetooth transmitter and receiver comes nicely boxed with instructions. PROS... ---very easy to pair up. ---very easy to reconnect. ---very easy to use. ---everything needed to use this device comes with it. ---easy to read and use instruction booklet. ---can pair to 2 devices at once. ---it is a receiver and a transmitter. ---will run a good 12 hours on 1 charge on either mode. ---it has a long range of connection. ---light weight at 3.2 ounces. ---very compact. ---comes with everything needed to use it. ---great price point. ---comes with a warranty. CONS... ---none that I can find so far. I was provided a Mpow Bluetooth 4.1 Transmitter/Receiver for FREE and was asked only to test it and give my honest opinion."
"Very happy with just about everything Mpow makes........cordless ear buds for the gym, 2 sets of cordless over the ear earphones for the cubicle at work, and now this."
"I bought this to use in my vehicle after my vehicle's built-in Bluetooth stopped working; a simple audio cable out from this device when set to Receive mode pipes my phone's music through this gadget and into the auxiliary port on my stereo."
"Recently put this in my car so I could use my cell phone for music and phone calls. If the volume were low for music than I might think it was my phone."
"This device works wonder."
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Best RC Vehicle Suspension Systems & Parts

Traxxas 6898 Sway Bar Kit Slash 4x4
Sway bars reduce chassis roll and increase corner speed on high-traction surfaces—perfect for hard-packed tracks and pavement running. Sway bars reduce chassis roll and increase corner speed on high-traction surfacesperfect for hard-packed tracks and pavement running. Fine tune your Slash 4x4 or Stampede 4x4 with this track-tested sway bar kit.
Reviews
"I have my shooks on the highest spot and 2 shock spacers to make the shock as stiff as I could so I got the sway bar thinking that would help to well I can run the shocks in the highest spot so what I gained by the sway I lost by lowering the shocks down the a arm so desired to get stiffer springs 20% stiffer and it did the what I was looking for a higher ground clearance to get over the grass and stiffer shock for in the turns."
"Remember to use lock tite on the small set screw."
"I got new control arms, redid the suspension, and put on the sway bar kit to keep my wheels planted because the front inside wheel around every corner would come up."
"My truck handles so much better now."
"Works awesome spins out more instead of flipping, and easier to drive on two wheels."
"Simple design that works well."
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Best RC Vehicle Drive Belts & Chains

Anbee Black Lanyard Shoulder Belt Neck Strap Sling for DJI Phantom 3, Phantom 4 / Pro / Advanced, Inspire 1 Remote Controller
Package Included: 1x Lanyard for DJI, Color: Black. Adjustable Black Lanyard Shoulder Belt Neck Strap for All DJI Series Remote Controller.
Reviews
"Perfect size and adjustable."
"Great transmitter lanyard, very strong clasp, at a fraction of the cost of Spectrums, and a lot more comfortable on your neck."
"Very comfortable and easy to use."
"Very nice great padding for the knack I love the latch easy to unhook very nice lanyard."
"It does what it says, but it seems pretty low to midlevel quality."
"Works perfectly to securely hold the drone controller."
"Works as intended!"
"This is a must have if your going to be out flying for awhile."
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Best RC Vehicle Brakes

Redcat Racing 02044 Brake Disc and Pads Set
Works with : LIGHTNING STR,SHOCKWAVE,TORNADO BB,TORNADO S30,TSUNAMI (nitro),VOLCANO MX,VOLCANO S30,VOLCANO STX,VOLCANO SV,VORTEX SS. Brake Disc and Pads Set 02044.
Reviews
"Great replacement brake pads... as expected from Red Cat OEM product."
"Really did not use this product because I wanted something better so I won't have to change it again for a long time so I got the metal one instead."
"It's ok for less weight buggy or truck but not for big and have trucks..."
"3 Steels And 2 Disks Stop Better, Last Longer, Stays Cooler."
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Best RC Vehicle Propellers

UDI U817 U817C U817A U818A RC Quadcopter Spare Part U817-02/U817C - Guaranteed ".
Description: Brand Name: Udi. Item Name: U817 U817c Main blade set. Item No. Propellers for Lanlan U817 U817C U817A U818A RC Quadcopter Spare Part.
Reviews
"If you don't have one or lose one of these often supermarkets will sell repair kits for eyeglasses and the included screwdriver should fit just fine."
"My adult son bought a drone for my 9 year old daughter."
"Bought the extra blades, but still have not had to replace the originals."
"Works as described and I'm pleased with the product!"
"Bought these just in case we needed them.. a perfect fit."
"This is a good set of extra blades..they have last a,long time."
"you need spares and these work great."
"good replacement rotor blades."
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Best RC Vehicle Rotors

Syma S109G Full Set Replacement Parts, Main Blades, Connect Buckles, Tail Blade,Balance Bar, Spare Main Grips
Genuine Replacement for the SYMA S109G Easy to Replace. 2x Spare main Upper blades, 2x Spare main lower blades.
Reviews
"I bought this set of replacements shortly after I got my S109G, because this was my first heli and, as much as I was crashing it, I knew that I would soon be needing them. I would recommend this bird to be anyone's first, and do get this kit, because if you do break it, you'll be really sorry that you can't fly untill you do!"
"I thought I would have had to spend a lot more on something like this. This current set is holding up much better, as I've become a better pilot and crash a lot less ;) You'll definitely want to invest in this $3 replacement blade set. My two year old son absolutely LOVES this thing and is always begging me to fly it for him."
"Pros. -- Inexpensive. -- Durable but not indestructible. -- Easy to use. CONS. -- Infrared radio signal can be interfered with by plasma and LCD TVs."
"The only thing I would improve on both the copter and the replacement part kit: allow the landing gear to be changed out, too."
"Just what the mechanic order for repairs."
"Ordered the helicopter and the replacement blades as a Christmas gift."
"One package was labeled as having helicopter spare parts as well as 1 helicopter charger part, however this package had 2 helicopter charger parts (SKU# 082818 EVU and SKU# 026370 EVU) but no spare parts."
"This is pure garbage."
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Best RC Vehicle Bushings

Traxxas 6430 Front Bulkhead with Tie Bar Bushings XO-1
No one has done more than Traxxas to advance the RTR category with innovative thinking and fun designs that make it easy for anyone to get started in the great R/C hobby. Use Traxxas stock and hop-up replacement parts to get the most out of you Traxxas RTR vehicles.
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Best RC Vehicle Axles

Traxxas 3652X Red-Anodized 6061-T6 Aluminum Rear Stub Axle Carriers (pair)
In addition to the durability and precision of the machined billet 6061-T6 aluminum, larger 5x11mm ball bearings are included for smooth performance, reduced friction, and long life. Left and right rear stub axle carriers are designed to fit electric Rustler, 2WD Stampede, 2WD Slash and Bandit.
Reviews
"After upgrading my 2wd Stampede with the more powerful motor, the wheel bushings quickly wore out where I got a pretty bad wheel wobble."
"Perfect fit for stampede vxl."
"If you're planning to upgrade, get these."
"If you are racing and another person runs into your rear wheel these won't break."
"Fit and finish was awesome."
"Another option would be to get a longer screw that would come out the back side far enough to put a locknut on it."
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Best RC Vehicle Rotor Shafts

Traxxas 6852X 6852X Driveshaft Assembly Rear Slash 4x4
Use Traxxas stock and hop-up replacement parts to get the most out of your Traxxas RTR vehicles. Driveshaft is fully assembled and ready to install with included screw pin.
Reviews
"These are a wear item... there are a lot of aftermarket shafts that will outlast these, but you'll get a year w these,,, verdes $40 for after market."
"The original shafts broke within a week of upgrading to a brush-less motor and 3s battery."
"They do what you're supposed to do they just replace the ones that come from the factory ."
"Great product will buy again."
"Cheap and easy to install."
"my husband is very happy with this purchase high quality exactly as described fixed his RC car hes a happy man!"
"Brushless on 3s they don't last for very long maybe 4 runs if I'm easy on it."
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Best RC Vehicle Drive Pulleys

Traxxas 2419 19-T Pinion Gear 48P
Optional Traxxas pinion gears allow you to increase or decrease the final drive ratio and tune for different applications.
Reviews
"I'm using this instead of a 23t because its snowy where I live right now, and I have snow tires."
"Grabbed this as a back up."
"Installed this pinion on my Traxxas Rustler VXL to keep the temps down with the Proline Badlands tires."
"I found it is my happy spot, 19/83 on a rusty with a castle 3800kv motor."
"Did not get the correct part - got a 16 tooth instead of 19."
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Best Radio Control Vehicle Speed Controls

Traxxas 3350R Velineon VXL-3s Brushless Power System
Training Mode limits full-throttle power to 50% allowing young or new drivers to safely develop their control skills before unleashing the full-throttle capability of the Velineon system. The companion Velineon 3500 Brushless Motor is precision-matched for use in the 1/10th scale vehicles, delivering the perfect balance of brutal horsepower and efficiency. Integrated two-stage low-voltage detection for Lithium Polymer (LiPo) battery usage.Input Voltage: NiCad/NiMH 4-9 Cells (4.8 to 10.8 Volts DC); LiPo 2-3 Cells (7.4 to 11.1 Volts DC).
Reviews
"Love it, may get a 3s lipo."
"really fast!!"
"Big upgrade from stock... love it... get ready to replace weak components."
"Installation was simple and I immediately noticed the extra power in my Rustler."
"Great price fast shipping."
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Best RC Engines & Parts

AVAWO® Upgraded 4 Colors Syma X5 X5C X5C-1 Spare Parts Main Blade Propellers & Motor & Propeller Protectors Blades Frame & Landing Skid Included Mounting Screws for RC Mini Quadcopter Toy
Package included: 4x syma x5 x5c x5c-1 motor. 16x Propellers (4 White & 4 Black & 4 Red & 4 Blue). 16x Propeller Protectors (4 White & 4 Black & 4 Red & 4 Blue). 8x Landing Skids (2 White & 2 Black & 2 Red & 2 Blue). 32x Mounting Screws(16pcs for props and 16pcs for blade frame). Main blade propeller & Motor & Propeller Protectors Blades Frame & Landing Skid for Syma X5 X5 X5C-1.
Reviews
"Props work great."
"I wanted to change rear propellers and guards to a different color so I can easily spot orientation from a long distance."
"These accessories have been very compatible with the original parts that came with my Syma X5."
"Significantly enhances the enjoyability of drone flight."
"The props and prop guards fit my model and I have used many of them."
"Spare parts, you know just in case..."
"This is an awesome kit."
"I had to use a pin to widen holes in blade guards as they are to small to receive thier screws."
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Best RC Electric Motors & Parts

AVAWO Upgraded 4 Colors Syma X5SC X5SW X5SW-V3 Spare Parts Main Blade Propellers & Motor & Propeller Protectors Blades Frame & Landing Skid Included Mounting Screws for RC Mini Quadcopter Toy
Package included: 4x syma X5SC X5SW motor. 16x Propellers (4 White & 4 Black & 4 Red & 4 Blue). 16x Propeller Protectors (4 White & 4 Black & 4 Red & 4 Blue). 16x Landing Skids (4 White & 4 Black & 4 Red & 4 Blue). Main blade propeller & Motor & Propeller Protectors Blades Frame & Landing Skid for Syma X5SC X5SW.
Reviews
"Screws are also provided for the prop protectors and landing gears, just like those included in the original quad-copter package."
"You get a lot of parts (I bought this kit because I needed a motor) but they are much more brittle than the OEM parts your Syma came with."
"i am a totally noob at the drone thing... propellers seem better quality than past reviews... from the sample i got... colors off... props weighed the same as OEM."
"I like the new motor, it seems at least as powerful as the original, but because the motors are different size relative to the originals, I'm only giving this product a 4 star rating."
"I bought this package because I thought it was a good price for all that it has."
"This kit is great the the parts fit the drone properly."
"This is a great set to replace parts on my new Drone."
"I tried using the propeller wings and the drone would not fly."
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