The next-generation: Shimano 105 featuring Di2 draws on the design philosophy The Science of Speed bringing fresh momentum
Hollow pins keep the chain light for all-out race performance while circle riveting increases strength without adding width
and secure direct-mount X-SYNC chainrings for flawless chain management
When stunning design meets high definition optics
specially developed special titanium bolts and the best possible production materials
Zwift Cog and Click Upgrade Kit (v2) - Tacx R1 The next-generation: Shimano 105 featuringThe all new, upgraded Zwift Cog and Click enable full control of Zwift from your handlebars. Complete with 24 silent, instant virtual gears for a real ride feel, less chain wear, and no noise, its time to shift, steer, navigate menus, and give Ride Ons all from your handlebars. The Zwift Cog and Click Upgrade Kit works with a growing list of Zwift Cog Compatible smart trainers. Installation is quick and tool free. Note: Zwift Click is only compatible