environmental factors

The Shimano Deore M6000 Series rear derailleur offers efficient and smooth shifting in order to maintain speed and acceleration in change of terrain

See your stats

In addition to a new special 12-speed chain (CN-M6100) with the corresponding new 12-speed QUICK LINK lock

Serfas CR-762 CRUISER Unisex Saddle Steel Black with Lycra Cover Sunshine_Enriched environmental factors90 Day Comfort Guarantee They understand finding the perfect saddle can be tough, which is why every Serfas saddle sold is backed by their 90 Day Comfort and Satisfaction Guarantee Limited Lifetime Warranty They stand behind their products and are committed to providing the high quality all of their customers deserve which is why Serfas warrants to the original purchaser of a saddle that the product is free from defects in materials and workmanship