H&H 7 speed 11-32T upgrade kit V4/P&T line/STD tensioner/SQT shifter brake caliper You can replace them with

You can replace them with titanium bolts

H&H unibody cassette 11/13/17/21/25 (black)

6mm inner wires

♣ Note: website is accurate

better weather proof

H&H 7 speed 11-32T upgrade kit V4/P&T line/STD tensioner/SQT shifter brake caliper You can replace them withHaving 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 32T wide ratio cassette. Compatible with: Brompton P or T line 4 speed stock wheels CHPT3 V4 stock wheels or, 5 to 7 speed 3rd party wheels Upgrade kit includes: H&H 7 speed SQT shifter (Right side, black) H&H derailleur v4 + Tensioner Standard design black H&H 11 13