Ethirteen Helix Sram XD Cassette 12s 13-52T S3-Brand-Park The Air-Liner’s high-density structure keeps

The Air-Liner’s high-density structure keeps your tire rideable for up to an hour after a flat – enough time to clear a stage or hustle back to the trailhead

pumping the trails and looking for the fastest line through the rock garden

Reach: 70

Load your bike in seconds whether it's a 20" wheel or a 29er

6 65-584 Black 990 g

Ethirteen Helix Sram XD Cassette 12s 13-52T S3-Brand-Park The Air-Liner’s high-density structure keepse*thirteen Helix Race Cassette 12 speed 13 52T Grey Fits Sram XD & XDR drivers A close ratio cassette specifically for e bikes. Enter the Helix Race 13 52T a new 12 speed close ratio cassette, specifically engineered for steep terrain where climbing speeds are high, and descents are gravity powered. The 13T, in combination with a 32T chainring, at 85rpm cadence, will deliver speeds at or just above 32kmph 20mph, which is just beyond the speed limited