Litepro External 7 Speed Freewheel 11-28T 11-30T For Bromp Folding Bicycle Cassette Flywheel

Noted: For Brompton modified external 7-speed folding bicycle cassette has a special tooth shape (11-speed tooth shape), which is different from the ordinary 7-speed cassette. Brompton modified external 7-speed folding bicycle, the chain it uses is lengthened (11-speed chain) , and this flywheel is specially designed for Brompton modification, only suitable for Brompton folding bicycle modification outside 7-speed. Brand:Litepro Material:Chromium-molybdenum steel Speed:7speed Teeth:11-28T(11-13-15-18-21-24-28)           11-30T(11-13-15-18-21-24-30) Weight:7s 11-28T about 189g,11-30T about 201g Flywheel cap coloe:black,red,gold,silver,blue,green