|The WTB Laserdisc XC Single Speed Rear Mountain Wheel is a lightweight, durable rear wheel for cross country racing. Bombproof LaserDisc XC rim with new Safety Seals, stainless steel eyelets, I beam construction, and Unbendium Bulge. Standard 135mm QR LaserDisc Lite Hub, lightweight and durable cartridge bearing hub with alloy axle, singlespeed alloy freehub and threaded Lock-Ring. 28 hole only. Black 15-16 DB spokes 3x. Black alloy nipples. Skewers included. 1070g.