Go Big On-Center Goggles Double Defense RaceGuard (folding tire)

Double Defense RaceGuard (folding tire) or GreenGuard (clincher tire) provide top level puncture protection

Adjustable height and seat stay tubes

The tread features a semi-slick centre to reduce rolling resistance but robust shoulders for control when cornering

Optimal tire pressure is crucial to maximizing speed on the bike

With lots more to offer

Go Big On-Center Goggles Double Defense RaceGuard (folding tire)Compatibility fits 31. 8mm diameter bars Compatibility: all GoPro HERO Original, HERO2, HERO3, and GoPro Session Cameras. Shimano CM 1000, Garmin VIRB, and Garmin VIRB X Hinged handlebar clamp for ease of installation and removal Attributes Misc Black, 31. 8mm, Aluminum, 45. 7g