Pro 4 on Asym i-35 TCS MTB Wheelset. This brilliant bundle of Hope Pro 4 hubs & WTB rims means that you can you choose your ideal rolling rig for climbing & conquering the mountain. The Pro 4 hubs feature sealed bearings for an efficient & effective hold & spin & disc brake compatibility, with their aluminium build bringing a lightweight & bulletproof level of quality to your rolling experience. WTB Asym i-35 TCS Rims, built from a high-end WT69 alloy round out the bundle, utilise their asymmetrical design & TCS inner rim profile to provide a top-performance & reliable roll from top to bottom. All chosen bundles will arrive as fully built wheels upon delivery Buy Hope Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.