SRAM PG1070 10 Speed Mountain Bike CassetteWith its advanced “semi-spider” construction with the three largest sprockets being joined together, the PG1070 Mountain Bike (MTB) Cassette brings you the ideal mix of rigidity and low weight. Adopting its PowerGlide technology, SRAM has also optimised the sprocket’s teeth profiles and shifting ramps, so you’ll enjoy faster, more precise gear changes as you crank up to speed or drop a few gears to tackle a tough climb.Features: Sprocket Material: Heat treated Steel, Blast Silver finish Lock Ring Material: Forged 7000 Series Alloy, Anodised, Laser Etched Speed: 10-Speed Compatibility: All 10-Speed mountain bike (MTB) rear derailleurs Use: MTB Technology: PowerGlide Recommended Chains: PC-1090R, PC-1090, PC-1070, PC-1050, PC-1030Sprockets on Spider: 3 semi-spidered construction for a maximum stiffness to weight ratio Manufacturer’s Part Number: CS-PG-1070-A1 Weight: 359g (12-36T)Gear Ratios:11-32T: 11,12,13,15,17,19,22,25,28,32T;11-36T: 11,13,15,17,19,22,25,28,32,36T12-32T: 12,13,14,15,17,19,22,25,28,32T12-36T: 12,13,15,17,19,22,25,28,32,36TTechnologies:Powerglide II: Cassette technology optimised for off-road. 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 mountainBuy SRAM Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.