Semi-hydraulic/hybrid disc brake ClarksModel: CHM-05Usage: Road, Gravel, Cyclo-crossContents:semi-hydraulic caliperscrew kit for caliper and disc mounting2 boots2 discs (1x140mm and 1x160mm)Mounting: Flatmount (+ 1 adapter for 160 mm)Oil: MineralPistons: 22 mm in diameterPads: Pattern 45 (VX862 / VRX862)Discs: 2x Clarks floating disc 6 holes (Front: 140mm + Rear: 160mm)Weight: 134g