SRAM XX Downhill T-Type Crankset - 165mm 7-Speed 34t 3mm Offset Chainring Direct Mount 55mm Chainline DUB Wide Spindle BLK MFPN=P100005051 If you have a round

If you have a round seat tube with no braze-on mount

MDR-A disc brake 6-bolt rotor is designed specially for use with Magura MT A2 brakes ONLY

Model T2 Size 20" Internal W 26mm Depth 21

PVC inner pipe for protection and durability

SRAM XX Downhill T-Type Crankset - 165mm 7-Speed 34t 3mm Offset Chainring Direct Mount 55mm Chainline DUB Wide Spindle BLK MFPN=P100005051 If you have a roundSRAM's most durable aluminum crankset yet, with robust machined finishes on high wear surfaces and rock strike prone areas DUB DH spindle for 56. 5mm chainline, for either 157mm or 148mm rear hub spacing DUB Wide spindle for 55mm chainline, optimized for 148mm rear hub spacing DUB DH spindle cranksets include most robust dedicated 56. 5CL XX DH T Type chainring available in 32 36t sizes DUB Wide spindle cranksets include trail orientated XX T Type