Shimano Ultegra R8000 172.5mm Left Crank Arm Backing Plate Material-Aluminum Crimping tool creates capped cables

Crimping tool creates capped cables without risk of damaging ends

Quick release system allows for opening the distance between rim and brake pads for easier wheel removal and installation

Featuring some of the lowest stack height bearing cover options available with premium stainless steel Hellbender bearing and 6061 T-6 Aluminum cups and covers the Hellbender 70 Slam is a premium headset created for riders seeking to lower their handlebars as low as possible without compromising bearing longevity and proper preload

The all new Booster combines the best of both worlds

Shimano Ultegra R8000 172.5mm Left Crank Arm Backing Plate Material-Aluminum Crimping tool creates capped cablesShimano Ultegra R8000 172. 5mm Left Crank Arm. Shimano Ultegra FC R8000 Left Crank Arms TECH SPECS Color Black Spindle Interface Type Hollowtech II Length 172. 5