Garmin Tacx S2500.05, Booster resistance unit goodyear Equipped with Shimano’s reliable 105

Equipped with Shimano’s reliable 105 Di2 electronic group

With the option to lift and twist your heel to unclip

To find the right fit for your frame

The SRAM RED® brakeset improves on all fronts: it's lighter

Garmin Tacx S2500.05, Booster resistance unit goodyear Equipped with Shimano’s reliable 105Keep your Tacx Booster trainer going year round. The manual trainer will get you the distance you desire indoors, but should you need to replace its resistance unit, this kit has all of the parts you need to get it back online. Kit includes: resistance lever, rubber handlebar inserts for a resistance lever, bearing block and resistance unit.