Park Tool SWR-8 3/8" Drive Ratchet Model=Z8 Chain 8mm rise +/-6 deg length

8mm rise +/-6 deg length 100mm color silver

Seat Tube Diameter 35mm Seat Post Collar Type QR Primary Color Purple Collar Weight 19g Material Aluminum

Diameters & lengths: Handle 16 mm

5mm 2x 12-Speed 43/30t 94 BCD DUB Spindle Interface Iridescent Gray D2

Motion Control damping featuring Low Speed Compression adjustment to lockout

Park Tool SWR-8 3/8" Drive Ratchet Model=Z8 Chain 8mm rise +/-6 deg lengthPark Tool SWR 8 3 8" Drive Ratchet. The SWR 8 is an eight inch (20cm) long ratchet designed to drive any 3 8" drive socket or bit as well as some Park Tool bottom bracket tools. Forged from alloyed steel and chrome plated for daily use the SWR 8 is reversible and features a quick release button to easily switch from one socket to another. Chrome plated