․ For Hawk RacingTM BB3086TM, RaceFace® CinchTM, Rotor® BSA30, Zipp® VumaTM and other external bottom bracket system
. Use with 1/2" two-way ratchet wrench (#53R4)
․ Product Dimensions: 5.3 x 5.3 x 2.8cm
․ Weight: 0.138kg
․ Color : Silver
․ Material : Cr-Mo Steel