Park Tool CRC-1 Crown Race Cutting Tool carted The Shimano 105 Di2 ST-R7170

The Shimano 105 Di2 ST-R7170 Disc Brake 12 Speed Shifter brings Di2 electronic shifting to 105 for the first time

PostmountMax

Alloy Bar End Plugs are precision engineered and machined using lightweight

4 x 18 cm / 26

Chainring Size: 30

Park Tool CRC-1 Crown Race Cutting Tool carted The Shimano 105 Di2 ST-R7170To ensure proper headset performance and longevity, special attention must be given to accurately machine the forks crown race seat. The CRC 1 is a professional quality tool for machining both the outer edge and lower surfaces of the crown race seat. Its unique adjusting system allows a tight fit of the tool onto any threaded or unthreaded fork even forks with externally butted steerer tubes ensuring a smooth, accurate cut and proper alignment of the