Praxis Works LevaTime II X-Ring Spider Kit, 34/50T for Praxis 3-bolt DM road cranks w/ 10/11/12sp drivetrains

Praxis Works LevaTime II X-Ring Spider Kit, 34/50T
Designed for Praxis 3-bolt DM road cranks with 10/11/12sp drivetrains
Cold forged 7075-T6 alloy rings mounted to 3-bolt DM spider
LevaTime II: Praxis unique timing and shifting technology. Several shift pins are placed strategically at points on the ring to provide a perfectly timed lift
Model:    LevaTime II
Ring Type:    Inner/Outer
Speed:    2x10/11/12
Mount:    3-Bolt DM/4x160mm
Teeth:    50/34
Part #: KX5034-5022
UPC: 850051064960