Sram SX PG-1210 12 Speed Cassette - 11-50T BCD_130mm This replacement bolt action assembly

This replacement bolt action assembly kit is for Saris classic series trainers which have an inner bushing diameter of 7/8 inch (0

Lightweight and rigid steel bottom bracket axle

Apex puncture protection

custom-designed fuzzy polyester backed with Nylon 210D laminate fabric

4mm Offset

Sram SX PG-1210 12 Speed Cassette - 11-50T BCD_130mm This replacement bolt action assemblySRAM SX PG 1210 12 Speed Cassette 11 50T SX Eagle continues to expand the Eagle ecosystem. Now from SX to XX1, you can mix and match any components to find the perfect mix, price or look you are trying to achieve on your bikes. Powerglide II: Cassette technology optimized for offroad. More reliable. More durable. Better performing, thanks to an optimal tooth profile and shift ramp design for quick and positive index shifting. Go climb a mountain.