Park Tool MWR-8 8mm Ratcheting Metric Wrench Readystock SRAM drivetrain engineers optimized this

SRAM drivetrain engineers optimized this ring to combat the high-torque

Shifters Shimano 105 7100

It's the final piece in the drivetrain puzzle and delivers ultra-fast

The large surface area offers an ideal resting place for the forearms

5" (L) x 13

Park Tool MWR-8 8mm Ratcheting Metric Wrench Readystock SRAM drivetrain engineers optimized thisPark Tool Ratcheting Metric Wrenches feature both a classic open wrench end and a two way ratcheting 12 point box end wrench. Forged from chrome vanadium steel, chrome plated, meticulously polished, then center dipped in Park Tool blue vinyl for a positive grip. Mfr Claimed Weight TBC