Spank OOZY-SPIKE Rear MTB Hub SRAM XD AdaptorAn excellent set of end caps to add control and stiffness to your rear-end, this genuine Spike adaptor kit lets you ride across rowdier routes with improved composure. Converting Spike R135/142 or Oozy Trail R142/135 rear hubs to 12x135mm or QRx135mm sizing, these easy to fit caps are an excellent addition for any big-riding mountain maverick. Features: Suitability: All Oozy hubs and wheels and Spike and Spoon (135mm) wheels produced in 2016 or later (with Spike hubs). Compatibility: SRAM XD freehubs only Buy Spank Wheels & Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.