H&H 6-7 Speed Unibody Cog Set for Brompton Bicycle P/T Line

Features

• Integrated one-piece design enhances rigidity and drivetrain stability

• Heat-treated construction improves wear resistance and long-term durability

• Wider gear range, ideal for climbing and urban commuting

Material

• Steel

Gear Ratios & Compatibility

(Fits 4–5 speed freehub bodies)

6-Speed

• 12–28T: 12 / 14 / 17 / 20 / 24 / 28

• Weight: 102 g

7-Speed (11–28T)

• 11 / 13 / 15 / 18 / 21 / 24 / 28

• Weight: 100 g

7-Speed (11–32T)

• 11 / 13 / 16 / 20 / 24 / 28 / 32

• Weight: 119 g