Five-arm, CNC-machined aluminium spider provides a rigid foundation. Includes a precision-forged 7000 series aluminium lock ring. Available in five colour combinations to customise your ride.
The heart of the PG-990 cassette is its CNC machined aluminium spider. The five arm alloy spider provides a rigid foundation for the PowerGlide™ cogs, SRAM are very confident in claiming this to be the strongest 9-speed cassette available. Included in this package is a precision forged 7000 series aluminium lock ring. With five Select colour options to choose from the PG-990 is a great way to customise your ride.
SRAM's cassette performance is optimised by material choice, tooth profile and shift ramp design for quick and positive index shifting
POWERGLIDE II
Cassette technology optimised 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.