H&H 18 speed 12-28T upgrade kit v4/P&T line/SQT Shifter Left
This kit upgrades Brompton 4-speed bikes to 6-speed or 12-speed, providing more low gears for easier uphill climbs.
- The description claims this setup prevents chain rubbing on 28T (Low gear 1).
Variants (1)
- Default Title — 546.00 USD — In stock
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