Our 72 ratchets rear freehub for Brompton is compatible with 2 or 4 speeds rear sprockets, which in combination with our speed upgrade kits for Brompton, can bring your bike to up to 8 speeds.
CHARACTERISTICS:
Model name: Ridea HF4-R
Freehub: 72 ratchets
Axle width: 112 mm
Spoke count: 28H
Spoke installation: J-Bend
Bearing options: steel
Weight: 208 g
Colors: black, gold, silver, matte red, matte bronze, matte champagne