The CM 4.2 is the perfect attender for the ambitious cyclist on ample tours. Due to the TwoInOne system it is possible to use two different wheel circumferences. The CM 4.2 there-fore can be used for two bikes and be upgraded with optional cadence reading and heart rate monitor.
Buy Ciclosport Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.
If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.More information on returns