The HG41-7 offers SHIMANO's HYPERGLIDE shifting across its 7-speed range

which gives you a smoother

Better brake control performance/function

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

Do no machine dry or use an iron

Serfas CR-762 CRUISER Unisex Saddle Steel Black with Lycra Cover Sunshine_Enriched The HG41-7 offers SHIMANO's HYPERGLIDE90 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