Giant Contact SL Clip On Clamp For 31.8 Round Handlebar Bikes while the top tube mounts

while the top tube mounts let you cleanly bolt on a bag for all-day adventures

It also allows the use of SHIMANO's smartphone and tablet E-TUBE PROJECT software for maintenance and system updates

- Quick release mounting bracket

Featuring Particle Flow Technology to reduce pressure points and a pressure relief channel to improve blood circulation for long ride comfort

Explore E+ Pro gives riders the freedom to ride wherever they want

Giant Contact SL Clip On Clamp For 31.8 Round Handlebar Bikes while the top tube mountsGiant Contact SL Clip On Bar Clamp fits oversized 31. 8mm bars and allows you to add Giant Connect or Contact SL Aero Extensions of your choice. Includes 20mm, 40mm and 60mm spacers