Do you ever feel from Left shifting is out of gear to climb?
this upgrade kit is to help expand the gear range, for riders that going to touring with heavy loads, easy to cycle steep uphill climbs with more low gear.
Brompton 12 speed cassette is 11/13/15/18
H&H 6 speed unibody cassette is 12/14/17/20/24/28
compare to upgrade to 21 speed, this setup will prevent chain rubbing rear brake housing on 28T (Low gear 1)
This kit set is to upgrade P/T/C line 4 speed to 6 speed or
Brompton P/T/C line 12 speed BWR internal hub to 18 speed.
- Using Brompton stock 4 speed wheelsets
- Using SA BWR internal gear hub 12 speed
Package includes:
- H&H SQT shifter - LEFT
- H&H P/T derailleur v4 + STD Tensioner
- H&H unibody cassette 12/14/17/20/24/28 (black)
- YBN 11 speed chain (black) [or equivalent chain brand]
*price is without installation