H&H 7 speed 11-28T upgrade kit V4/P&T line/STD Tensioner/SQT shifter Right

Having difficulty on climb or slope while riding a 4 speed Brompton? This upgrade kit will help you overcome the challenge, by using the P/T line 4 speed stock wheel. Upgrade your P or T line Brompton 4 speeds to 7 speeds with 11-28T 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 (black) RIGHT H&H derailleur v4 + STD Tensioner H&H 11/13/15/18/21/24/28T semi-unibody cassette (black) YBN 11 speed Chain (black) H&H housing Gatherer for rear brake *Price excludes installation