The E*thirteen Guidering M chainrings boast a revolutionary dual width tooth design to help keep your chain locked on your ring and not dropped on the trail. Precision tooth chamfers allows your chain will stay put no matter what gear you are pushing.
A basic shake and bake blend of 8 special herbs and spices (Silicon, Iron, Copper, Manganese, Magnesium, Chromium, Zinc, and Aluminium.) It comes in three different performance blends: EXAr, EXA+ and basic EXA.
e.thirteen components are a small, rider-owned and operated company which was founded in 2001 by Dave Weagle. Since it inception e.thirteen have always pushed peoples ideas in terms of innovation, function and design and have become a market leader in chain retention systems the world over. e.thirteen have strong roots in competition and they support numerous athletes and events the world over from grassroots racing right up to top flight World Cup competition and World Champions, in fact e.thirteen chain guides and rings have collected more gold medals at World Cup and World Championship competition level in recent years than any other chain retention system, making them the choice for all riders at all levels.
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