XLAB Aero TT Water Bottle and Cage System: Stealth Black Cage and Bottle ModelNumber=J1972 Length 8 Bolt Size (mm)

Length 8 Bolt Size (mm) 5

Accepts toe clips

Features a 15-tooth upper and 19-tooth lower aluminum pulley wheels with Grade 3 Silicon Nitride balls to provide absolute optimization of the rear derailleur

}SRAM v2 X

The wheel must be built with the supplied PHR washers and Pro Head nipples

XLAB Aero TT Water Bottle and Cage System: Stealth Black Cage and Bottle ModelNumber=J1972 Length 8 Bolt Size (mm)XLAB Aero TT Water Bottle and Cage System: Stealth Black Cage and Bottle. The Aero TT System offers 50% less drag than round bottles saving up to one minute in an Ironman and up to 20 seconds off of a 40km TT Tri. 20oz BPA free water bottle with easy grip texture and groove Bottle is held securely to the XLAB Hi Grip Deep Pocket cage Total System Weight: 119g TECH SPECS Color Black Bottle Type Standard Access Style Top Mount Type Bolt On Material