Pro 1saving time wherever possible is important to a triathlete and the tri backup pro i aids by mounting to the parallel section of your saddle to form a rear saddle hook helping to minimize t1 and t2 times'. '.strtoupper('t')his sturdy rack also provides multi combo capabilities to customize equipment for any race needs'. '.strtoupper('m')ount parallel rail section of saddle compatible with crmo ti and carbon rails material pressed aluminum hydration capacity one or two bottles up to 750cc each max load 2.5 kg 5.5 lb compatibility tri backup air station tri backup tubebag tri backup tirebag ninja tc road ninja pouch road'. '.strtoupper('n')inja co2 tri cage added feature 2 angle positions size 12.5 x 8 x 4.8 cm 4.9rdquo x 3.1rdquo x 1.9rdquo weight 97 g 3.42 oz pro vsaving time wherever possible is important to a triathlete and the tri backup pro v aids by mounting to the ldquovrdquo section of your saddle to form a rear saddle hook helping to minimize t1 and t2 times'. '.strtoupper('t')his sturdy rack also provides multi combo capabilities to customize equipment for any race needs'. '.strtoupper('m')aterial pressed aluminum mount v rail section of saddle compatible with crmo ti and carbon rails hydration capacity one or two bottles up to 750cc each max load 2.5 kg 5.5 lb compatibility tri backup air station tri backup tubebag tri backup tirebag ninja tc road ninja pouch road'. '.strtoupper('n')inja co2 tri cage added feature 2 angle positions size 11.8 x 8 x 6.9 cm 4.6rdquo x 3.1rdquo x 2.7rdquo weight 97 g 3.42 oz