8mm holes. Fits crankset with 4 male bolts screwed in from internal side
Material: Ergal 7075T6.
Construction: hyper accurate cnc.
Ramps: 8 cnc with unique 15Â° angle.
Machined Teeth: 24 external, 12 internal.
Bcd (Bolt Circle Diameter): standard 64 mm 4 bolts.
Finishing: hard anodized with machined sides.
Graphics: laser etched.