Monoblock Cassette compatible with Brompton 7-spd drivetrains

Its dome-like structure creates a stiff 1-piece cassette, while keeping the weight down. Example: 11-28T (7s) incl. lockring weighs just 143g.

· Milled from a single piece of cold forged chromoly steel.

· Heat-treated, tumble-finished and electroplated for durability and low-friction.

· Shifting ramps and profiled teeth provide smooth and consistent shifts.

RATIO

· 11-13-15-18-21-24-28 / 143g