The PG-1070 cassette offers an innovative approach to 10-speed cassette design. Its performance is optimized by tooth profile & shift ramp design for quick & positive index shifting. The cassette shifts efficiently & positively in all high performance situations. The cogset features a semi-spidered construction for a maximum stiffness to weight ratio & is available in seven optimized configurations to best match a wide variety of uses. FEATURES SRAM Road 10-speed compatible The PG-1070 cogset features a semi-spidered construction for a maximum stiffness to weight ratio Features a semi-spidered construction for a maximum stiffness to weight ratio TECHNOLOGY POWERGLIDE II Cassette technology optimized for offroad. More reliable. More durable. Better performing thanks to an optimal tooth profile & shift ramp design for quick & positive index shifting. Go climb a mountain. SPECIFICATIONS SPEED (CS) 10s GEARING 11-25t 11-26t 11-28t 11-32t 11-36t 12-25t 12-26t 12-27t 12-28t 12-32t 12-36t COG FINISH (CASSETTE) Silver TECHNOLOGY (CASSETTE) PG COG SIZES 11-25t:11121314151719212325 11-26t:11121314151719212326 11-28t:11121314151719222528 11-32t 11121315171922252832 11-36t:11131517192225283236 12-25t:12131415161719212325 12-26t:12131415161719212326 12-27t:12131415161719212427 12-28t:12131415161719222528 12-32t:12131415171922252832 12-36t:12131517192225283236