Do shift kits work with belt drive bikes ?

I suppose you could, I have seen no kit for it. But people make all kinds of things that don't come in kits.

Does this kit work with the 66cc bullet train motor with the automatic?

Dude u will have your hands full with this kit don't waste your money

Is one side of the bottom bracket shaft threaded to hold the bearing retainers in place?

Threaded retainer cup. Not universal. Very difficult to align everything. Uses the threads from the choosen bikes bottom bracket

Does it fit motor with electric start and centrifuge clutch?

No an you will need some welding skill to really get this to work. There is an updated version that is much more user friendly.

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Description

🚀 Elevate Your Ride: Unleash the Power of Speed!

HIGH SPEED POTENTIAL - Unlock the thrill of dangerously high speeds with this powerful kit.
PEDAL POWER RETAINED - Enjoy the freedom of pedaling without losing engine power.
SEAMLESS GEAR SHIFTING - Easily switch gears with your existing setup for optimal performance.
VERSATILE COMPATIBILITY - Designed to fit most multi-speed bicycles with rear derailleurs.
EXPERT INSTALLATION RECOMMENDED - Best suited for experienced builders to ensure top performance.

The BBR Tuning Motorized Bike Jackshaft Kit transforms your bicycle into a high-performance machine, allowing seamless gear shifting while retaining pedal functionality. Designed for experienced builders, this kit is compatible with most multi-speed bicycles and enables dangerously high speeds, making it a must-have for thrill-seekers.

Reviews

C**D

i believe the kit was put together to quickly and carelessly the chainring was cut the same not changed the lay. the key hole w

First off I'm not pleased with the kit. Because all the parts were not there. Had to go out of my way to find everything else. And still no luck. So I ordered one from sick bike parts .Com and everything was there . I payed204.00 the first time . For a 3/4 kit. Paid 150.00 and got everything this time and the kit looks better as well. So to all you oUT there thinking about buying a jackshaft kit. Please by from Sbp.com

16.11.2014

A**R

Worthless kit

I installed this kit on my bicycle now I can't even ride it because this kit is crappie. I youtube jackshaft kit by BBR and everyone had negative feedback it was a waste of money.

10.07.2021

A**T

Upgrade bearings on jack shaft for 4 stroke

Work great bearing load is inadequate cheap bearings recommend up grading bearings if used w 4 stroke applications

27.09.2020

S**R

You need to get the bbr book upgrade and perform instructions

Looks great, didn't like plastic chane gorde,and most of all no information about with screws are for what and wheremmmmetook

10.02.2019

C**D

Buyer beware!

Go to sick bike parts.com and get the current kit, this kit s put together with the cheapest of cheap bearings and freewheel. No customer service at all, cant even get a reply to emails!! Buyer bewareUpdate. More then a yr later and the same is still true

5.08.2017

A**S

One Star

Not whats in the picture....they don't even have the kit in the picture....bait and switch

8.08.2016

S**A

One Star

item did not come as shown gears arrived bent and twisted out of shape

30.03.2017

D**T

READ BEFORE BUYING PLEASE.

Not pleased. Bought the cheap one before the BBR. Cheap one had crappy bearings and nothing wanted to fit without banging it and denting things. Chain snapped easily with no tension, a little tension, and alot of tension there was no way of stopping the main chain to snap. I had to put a 415 chain on it, and that chain came in contact to the chain that goes to the gears on the back of the wheel. Crunching making me take a freewheel off and put washers between the 2 sprockets. Well that then threw the main chain that goes from jackshaft to sprocket to freewheel. Right into the chain that goes to back wheel. This kit had better bearings and better freewheel but had the same issue with nothing fitting and having to bang the sh!t out of it. Not worth over $100. Sure if it worked or someone got it working

19.02.2021

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