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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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RPM Hybrid Gearbox Housing and Rear Mounts for Traxxas 2WD Electric, Black
Our gearbox housing and mounts are a blend of aluminum and molded nylon parts for the perfect combination of strength, durability and heat dissipation. Aluminum motor plate manufactured in the USA from 3mm thick, 6061 T6 aluminum for serious strength and durability.
Reviews
"The directions are actually pretty bad but all the info is there once you read it carefully. You should know this kit only includes half of the necessary screws If you are replacing your old Traxxas gearbox this isn't a problem and you just reuse some of it's screws - otherwise some of those Traxxas screws are odd lengths and not all hardware stores will have them."
"Quality seems good, but think I would of preferred to just die the stock unit black and call it good."
"Worth the cost and effort to put on!"
"Also multiple different sizes of screws."
"Just needs better instructions for the mounting of the a arm adapter."
"solid piece of rpm engineering."
"2 things however I would change make it seal a little better and make more clearance so you can fit motor fans."
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Redcat Racing Complete Gearbox Assembly
Use the Parts Search at www.redcatracing.com to make sure you are purchasing the right part for your vehicle. Genuine Redcat Racing Spare Parts.
Reviews
"28 engine unless you change to the steel mpo-017 steel spur gear then you have a real monster on your hands I love it."
"It came real fast & easy to install."
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Best RC Servo Gears

1/10 RC car Truck Full Metal Assembled Transmission Gearbox Tranny for RC Axial SCX10 D90(1PCS) Red
Specification: Item Name:1/10 Axial SCX10 AX10 Assembled Straight Gear Gearbox. Material: Aluminum Case, HD Steel Gear. With HD Steel Straight Gear. With Front Aluminum Protection Cover. Complete Assembled, Directly Assemble that can use! This high quality center alloy gear box is designed for 1/10 rc crawlers like Axial SCX-10, AX10, etc It's complete alloy gear box.
Reviews
"This is a great upgrade for my rock crawler, solid parts."
"Gears aren’t greased at all so make sure you add some."
"works great , but it comes dry without locktight on the bolts."
"Awesome product and fast shipping very high quality highly recommended."
"No slipper clutch and the motor mount plate is large and gets in the way the spur gear cover is humongous was actually rubbing my driveshaft I couldn’t understand what was causing the failure of my driveshafts till I completely tore down my entire drivetrain and noticed this obvious oversight not to mention I had to modify the battery tray for it fit."
"Looks awesome I’ve only ran it a few times nothing major but the gear that runs my driveshafts one of pieces broke I’m not very happy about that but it does look awesome please if y’all would send a replacement gear."
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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 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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