Following in the footsteps of the Dual Ring Security and Heim guide technology, the Heim2RS is the "lighter" of the chain retention world. Its like a cross between my two favourite multi ring retention systems.
Buy E ThirteenComponents 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