the new Shimano GR-500's have an extra wide profile for better rider support and a concave profile for enhanced rider control

CUP 1 = 17MM (INC 3 SHIMS)

Guide pin stabilizes tool

A set typically lasts a few years

85 x 94 x 14mm

Fidlock Twist Bottle and Uni Base Mount - Transparent Black - 450ml Envelope Shipping the new Shimano GR-500's haveLove the look of the Fidlock system but don't have bottle cage mounts on your frame? No worries! Get the Fidlock bottle with the super handy Uni Base mount and mount one (almost) anywhere! Instead of a traditional style mount, the Fidlock system uses magnets to attach your bottle to your bike. It's super easy to click back in and even easier to twist out. Who's this item for: Riders after an easy to use water bottle that can be mounted without the use