Having difficulty on climb or slope while riding a 4 speed Brompton?
This upgrade kit will help you overcome the challenge!
Upgrade your P or T line Brompton 4 speeds to 7 speeds with 11-28T wide ratio cassette.
Cost saving upgrade by using the stock wheelset.
Compatible with
* P and T line stock wheelset
* Chpt3 V4
* 5 to 7 speed 3rd party wheelset
Upgrade kit includes:
- H&H 7 speed Dual Tap Shifter (Left side, black)
- H&H Gear set version 3
- H&H 11/13/15/18/21/24/28T cassette (black)
- KMC X11EL Chain (black)
- H&H housing Gatherer for rear brake
*Price excludes installation