Topeak Tri-Backup Elite 2 Fe Sport 0 covers a diameter of

0 covers a diameter of up to 39 mm (1

5- or 29-inch rims

SRAM® PowerSpline®

Every watt produced is monitored in real time via the MyCampy app or bike computer directly

Topeak Tri-Backup Elite 2 Fe Sport 0 covers a diameter of[ Fits A Wide Range of Saddle Angles ] Mounting your gear in a position to minimize drag is just one tip for performance. The second generation of TRI BACKUP ELITE saddle rail guides supports a wider range of saddle angles. The newly designed double threaded holder prevents the bottle from loosening or falling off. It is the optimal choice for your rear mounted equipment. Specifications Mount: Fits a wide range of saddle anglesMax load: 2. 5