All in all, we spent hundreds of hours combing through thousands of user reviews to put together a comprehensive list of the best reduction transmission on the market. We then delved into these reduction transmission further and put together detailed reviews so that you can easily pick the best reduction transmission for your needs.
Best reduction transmission
1. WEIYINGSI 49cc Engine w/Gear Reduction Transmission for Pocket Bike Gas Scooter Mini ATV 20T T8F Sprocket ScooterX Dirt Dog Xracer
Feature
Brand New Powerful 2 Stroke Pull Start 49cc Engine2 stroke, single cylinder, air cool, gear box with 20 teeth fit T8F chains
Suits majority of Chinese petrol scooters and choppers
Might also fit for some pocket bikes, quad bikes and dirt bikes
Only TWO mounting holes at the bottom, distance between is 10cm
2. Transmission Clutch Gear Reduction Box for 47cc 49cc 2 Stroke Pocket Mini Dirt Pit Bike Scooter ATV TaoTao Buyang Coolsport Kazuma Sunl Roketa
Feature
Top quality transmission gear reduction box.Fit most 47cc 49cc 2-stroke pocket mini bikes, scooters, and ATVs
Made of aluminum alloy
3 to 1 chain reducer
The sprocket is compatible for T8F chain only
3. TDPRO 11T T8F Transmission Reduction Gear Box and Clutch Pad For 47cc 49c 2-Stroke Pocket Mini Bike
Feature
11 Tooth T8F transmission reduction gear box and clutch padThe sprocket is compatible for T8F chain only
Clutch Pad Diameter: 75mm / Material: Aluminium(comes with springs)
Suitable for most 33cc 36cc 43cc 47cc 49cc pocket bike, mini bike, scooter, chopper, ATV
Please carefully check out the appearance, shape and size before ordering
4. TDPRO 14T T8F Transmission Reduction Gear Box and Clutch Pad & 8F 54T Rear Chain Sprocket & T8F Chain for 47cc 49cc Mini Pocket Dirt Bike ATV
Feature
14T T8F transmission reduction gear box assemblyChain sprocket centre Hole: 17mm, centre to centre: 33mm
Chain size: T8F chain 116 links
Fits 2-stroke 47cc 49cc mini pocket dirt bike ATV
Package include: 1x Gear Box Clutch + 1x Chain Sprocket + 1x Chain + 1x Clutch Pad
5. Transmission Gear Reduction Box Clutch Replacement for 47cc 49cc 2-stroke Pocket Mini Bike T8F 11T 13T 14T 17T 20T Teeth
Feature
Please confirm size of your original part. This is 116mm, not 91mm. We marked the size in the pictureThe reduction box comes with clutch and 11,13,14,17,20 teeth total 5 pcs of sprocket.The sprocket fits T8F chain only
Reduction Ratio: 3 to 1 chain reducer
Fit for 43/47/49cc Pocket Mini Bike / Scooter / ATV
180 days warranty and 100% money back guarantee if not satisfied
6. Heavy Duty Transmission Gear Reduction Box Clutch Replacement for 47cc 49cc 2-stroke Pocket Mini Bike T8F 11T 13T 14T 17T 20T Teeth
Feature
Heavy duty reduction box twin-chain design for bigger torque transmission than standard reduction box with single chains.The reduction box comes with clutch(the bore on the clutch:1/2 inch=12.7mm) and 11/13/14/17/20 teeth total 5 pcs of sprockets.The sprocket fits T8F chain(8 pitch) only.
Reduction Ratio: 3 to 1 chain reducer. Please confirm size of your original part. This is 91mm, not 116mm. We marked the size in the last picture
Fit for 43/47/49cc 2-stroke Pocket Mini Bike / Scooter / ATV.
180 days warranty and 100% money back guarantee if not satisfied.
7. SuperATV Transmission Gear Reduction Kit for Polaris RZR XP 1000 (2014+) - 25% Gear Reduction!
Feature
Fits : Polaris Rzr Xp 1000 (2014+) 100% Fitment GuaranteedGear Reduction : Gives A 25% Gear Reduction
Purpose : Increases Torque For Monster Tires And Tough Terrain
Material : Made Of Hardened 8620 Chromoly SteelHigh Precision Gears
8. 49cc Engine with Gear Reduction Transmission for 20T T8F Sprocket Pocket Bike Gas Scooter Mini ATV
Feature
49cc Engine 44mm bore 2 stroke, single cylinder, air cool, gear box with 20 teeth fit T8F chainsFuel: 25:1 gasoline / engine oil mix
Gear Box Reduction Rate: 3.55 : 1
Only TWO mounting holes at the bottom, distance between is 10cm
Please contact us if the engine received comes with damaged part, we will resend a new part to you.
9. Qii lu Engine Gear Reduction Transmission Box Universal for 47cc 49cc Mini Motorcycle
Feature
[ Quality Material ] --- This mini motorcycle gear transmission is made of high quality Aluminum Alloy materials makes the cable more environmentally friendly and durable.[ Precise Design ] --- Small volume, standardized design, easy to install. Achieve the standards of reliable product, Satisfied with the purchase, rest assured to use.
[ High performance ] --- The clutch drum gear box is designed to update the engine performance of your motorcycle, a necessary part for gear tranamission.
[ Wide Application ] --- Universal for 47cc 49cc Mini Motorcycle Gear Transmission.
[ Please Note ] --- This is a high quality aftermarket replacement product but not genuine. Easy to install, but professional installation is highly recommended.
10. Fuerduo 14T T8F Transmission Reduction Gear Box Assembly and T8F Chain with 8F 54T Rear Chain Sprocket & Clutch Pad for 47cc 49cc Mini Pocket Dirt Bike ATV
Feature
14T T8F transmission reduction gear box assemblyChain sprocket centre Hole: 17mm, centre to centre: 33mm
Chain size: T8F chain 116 links
Fits 2-stroke 47cc 49cc mini pocket dirt bike ATV
Package include: 1 x Gear Box Clutch + 1 x Chain Sprocket + 1 x Chain + 1 x Clutch Pad with Free Springs
