Park Tool EWS-1 Bicycle Electronic Shift Tool shimano HG-X11Bolt Circle Diameter: 110mm/80mm 4-Bolt

HG-X11Bolt Circle Diameter: 110mm/80mm 4-Bolt AsymmetricalRear Speeds: 11 SpeedRecommended Bottom Bracket: SM-BBR60 (Outboard Threaded)

25mm internal width and 34mm external width

This service kit includes the main seals (dust wipers)

For use in summer

this comfortable performance backpack has everything kids need for biking adventures

Park Tool EWS-1 Bicycle Electronic Shift Tool shimano HG-X11Bolt Circle Diameter: 110mm/80mm 4-BoltA handy tool designed to make installation and removal of bicycle electronic shifting wires and batteries quick and easy. The durable composite body features our iconic three way wrench shape and prevents scratching of expensive components. Angled ends allow for safe installation and removal of Shimano Di2 E Tube wires in tight spaces. Universal coin cell tool helps remove and install battery covers on SRAM AXS and other electronic accessories.