The Bontrager Paradigm CX RSL Disc Tubular Road Wheels are a cyclocross-specific tubular wheel. Rapid Drive 108 hubs & a lightweight alloy tubular rim make this CX-specific wheelset the perfect upgrade for your cross bike. The lightweight alloy rim has a wide profile specifically designed to support cross tyres & features 108 points of engagement so that every ounce of energy you put down moves you forward, fast. The Paradigm CX RSL Disc Tubular wheels are compatible with Shimano & SRAM 10 & 11 speed setups. Features Light & durable alloy tubular rim designed for cyclocross use Rapid Drive 108 j-bend hub instantly transfers effort into forward momentum 142/100 spacing with 12mm thru-axle front & rear, convertible to 15mm/5mm QR front or 5mm QR rear Center Lock disc hubs with interchangeable axles increase compatibility 24 hole fr/r with DT Swiss bladed spokes, Alpina locking nipples Designed & tested with elite riders from Telenet Fidea Lions Compatible with Shimano 10/11 speed, SRAM 10/11 freehubs, XD driver available