Silicon gripper inserts ensure these aren't going anywhere once they're on

Does it include a lock: No lock with this one

Do you love to ride your mountain bike

Mushrooming of the pins gives unsurpassed side-plate retention

Number of teeth: Available in 30T-36T options

100 Percent Speedcraft Sunglasses - One Size Fits Most - Matte White Hiper Silver Mirror Lens Replace Images Silicon gripper inserts ensure theseAs the eyewear of choice for world champion cyclist Peter Sagan, the Speedcraft is fully loaded with our most advanced technology for the ultimate in sports performance. With the new signature, 100% lens featuring a cylindrical shield features 360 degree visibility in the riding position. Ultra grip rubber nose and temple pieces help provide all day comfort while the lower air scoops increase ventilation and reduce moisture on the lens. Features: High