Vittoria Mezcal XC Race Tire 29 x 2.25 Tubeless Folding BLK Graphene + Silica G2.0 MFPN=11123066600940 With a GoPro style mounting interface With a GoPro style mounting interface and a versatile Velcro mounting strap with a Composite Matrix base the Helmet Hecto Drive 500XL is a low profile LED that follows the user’s line of sight for excellent visibility and enough output for casual night riding Color Black Ring Position Type Chain Retaining Single Ring Tooth Count 32 Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 94 Material Aluminum Defined Color Black The rear siping on the shoulder knobs runs parallel to the trail with variable widths and open trailing edges so the Mezcal corners fast on hard slippery surfaces – despite being such a fast rolling tire margin right:5%