45NRTH Wolvhammer Boot Liner - Black Size 45 Spokes Narrower in rim width and

Narrower in rim width and a small hook created by eliminating material

Battery Type Lithium Ion Connectivity ANT+ BT Customizable Screen Yes GPS Yes Heart Rate Monitor Yes Primary Color Black Touchscreen No External Sensor Compatibility Speed/Cadence/HR Wristband Charcoal - Silicone Watch Color Black Solar Charging Yes

This Shimano Super Narrow CN-HG601-11 directional 11-speed chain offers precise shifting and improved durability thanks to the SIL-TEC treatment on the inner plate surfaces

BB Shell Type BBright BB Bearing Enduro ACB BB Shell Width 79mm Primary Color Black Cup Diameter 46mm Crank Spindle Diameter 24/22mm Interface GXP

Featuring the revolutionary Sidekick hub with adjustable deadband to eliminate pedal kickpack

45NRTH Wolvhammer Boot Liner - Black Size 45 Spokes Narrower in rim width andMoisture management is one of the most important elements of winter cycling and can make or break a ride. On long rides in extreme conditions having a spare pair of 45NRTH's Wolvhammer boot liners means you can ride confidently knowing that you have a dry fresh pair when you need it. For use with 45NRTH Wolvhammer boots (sold separately)