. We pride ourselves in the quality of our Custom-Built wheels. Every wheel that is built in CRC is given the same care & attention whether it's entry level or top of the range. Your wheels will be built just as well as the ones we have on our own bikes & we make sure they get a seriously hard time.A 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace & XTR products) Watch our video to see how we build your custom wheels & why we think you should consider one Buy Shimano Wheels from Chain Reaction Cycles, the World's Largest Online Bike Store.