Restrap Rolltop Backtop 40L Black Model=P Zero SmarTube Its Targeted Airflow Pattern mirrors

Its Targeted Airflow Pattern mirrors the shape and position of a cyclist's body while riding

Tooth Count 50 Ring Position/Type Outer Drivetrain Speeds 11 Chainring BCD 110 Color Black Defined Color Black Material Aluminum

Compact and easy to transfport with included bracket

Washer & Bolt Cable Clamp: The cable is securely and safely secured to the lever now by a washer and bolt which limits the cable damage you would see from a grub screw

Mount Type TT Bar 22

Restrap Rolltop Backtop 40L Black Model=P Zero SmarTube Its Targeted Airflow Pattern mirrorsThe ultimate backpack to meet the needs of the commuter on and off the bike Made from a hard wearing TPU outer, orange nylon lining, airmesh back and straps Adjustable side retention strapping with reflective detailing Two side pockets Zip for laptop 15 with a safely retention loop to protect against theft, can also be accessed from the inside Zip compartment with mesh pocket, access from inside and out Reflective paracord zip pulls Fidlock magnetic