The uninterrupted shifting experience of the Shimano Ultegra CS-R8100 12-speed cassette range lets you climb

Weight - 1 oz

but will also serve the purpose as a brilliant training wax

with enough sensitivity to hit every shift

Ion 50 R Front Bike Light Size:O/S The uninterrupted shifting experience ofTrek Ion 50 R Front Bike Light A versatile USB rechargeable front bike light designed to help riders stand out after dark. A simple front bike light for after dark The Ion 50 R is a simple USB rechargeable front bike light that can help cyclists be seen after dark. The versatile design and included bike mount make for easy, tool free attachment to any bicycle. Remove the included mount to reveal a built in clip that securely attaches to a belt clip,