Topeak Tri-Backup Elite 2 - Vertical Rail giant the Shimano S-PHYRE RC903 sets

the Shimano S-PHYRE RC903 sets the benchmark

The 100-3D is built to last

TLR-2 is oil tolerant and compatible with steel and aluminum threads

C3 Dry Ceramic Chain Lube maximises your power output by reducing metal to metal contact to a ground breaking

Topeak Tri-Backup Elite 2 - Vertical Rail giant the Shimano S-PHYRE RC903 sets[ For 90 Degree Vertical Rails ] Designed specifically for triathlon specific saddles with vertical rear rails, this holder features a newly designed double threaded mechanism to prevent the bottle from loosening or falling off. Its the ideal choice for your rear mounted equipment. Specifications Mount: Fits a wide range of saddle anglesMax load: 2. 5 kgHydration capacity: One or two bottles (up to 750 cc each)Material: Aluminum 6061Size: 8. 1 x 7. 5