Shimano SL-BSR1 Dura-Ace TT Bar End Shifters Bike-Helmets-TT/Tri and the largest four cogs

and the largest four cogs allowing you to select from a wide range of gears while avoiding abrupt gear ratio changes

further enhancing the performance of vents and internal channeling that exhaust heat out of the helmet

The speed sensor 2 attaches to the hub of either wheel and self-calibrates with your Edge® cycling computer or compatible Garmin device to give you accurate speed and distance at all times — even without a head unit

Install onto most walls to elegantly stabilize your bike

Wide outsole pattern with TPU lugs for optimal on and off-the-bike comfort and performance

Shimano SL-BSR1 Dura-Ace TT Bar End Shifters Bike-Helmets-TT/Tri and the largest four cogs2x11 Speed