Renthal Chainring SR4 - 4 Bolt 104mm BCD BIKESPORTZ Steerer Tube Diameter: 11/8in

Steerer Tube Diameter: 11/8in

Using the Cinch DM System also provides a significant weight savings by eliminating the material overlap and extra bolt hardware that is required for a traditional spider with chainring configuration

520% range

Thanks to its full X-SYNC design

And on parts that have already got some rust showing

Renthal Chainring SR4 - 4 Bolt 104mm BCD BIKESPORTZ Steerer Tube Diameter: 11/8inThe Renthal SR4 chainrings are legendary in their stiffness and longevity. The 5mm thick Ultralite chainring uses an I Beam section tooth support bed, for the highest possible stiffness at the lowest possible weight. CNC machined from 7075 T6 aluminium , the hard anodised surface treatment massively increases the lifespan of the chainring. Continuing the Renthal theme of offering the rider as much choice as possible, every tooth size from 32t right up