H&H Gearset V4 P/T (Dual Tone) suncord but a conduit type has

but a conduit type has less stroke loss

Rail: FeC30 steel

H&H 11/13/15/18/21/24/28T semi-unibody cassette (black)

Fits all TWIST bases

A unique tooth profile eliminates chain noise

H&H Gearset V4 P/T (Dual Tone) suncord but a conduit type hasBrompton Kitchen is H&H Authorized dealer. Buy with confidence !! !! 100% Authentic from Taiwan !! 100% Assurance !! H&H CNC aluminum gear set. The latest Version 4 fully alloy CNC derailleur, DUAL TONE series. Now you can have both 6 7 speed and lighter weight! Up to 7 speed 11 32T for P and T line only For the latest Version in complete set: up to 28t please click here, up to 32t please click here. Price excludes installation