This is the Shimano SM-MA Rear 203mm P/S Disc Brake Mount Adapter

These 2 specific styles of mountain biking have riders gripping the handlebars very wide while the elbows are kept bent

Serfas Tires are covered by their 30 Day Warranty which guarantees a product free of defects in material and/or workmanship up to 30 days after purchase

easy and trouble-free shifting

130mm length for standard shift/brake setup (not for twist shifters = use 90mm replacement grip options for twist shifters)

Sram X4 7/8/9-Speed Rear Derailleur Long Cage Black compatio_raw This is the Shimano SM-MAAffordable and reliable derailleur is great for repairs and upgrades. Compatible with 7 , 8 , and 9 speed systems 1: 1 shifter to derailleur actuation ratio for precise light action indexing