- Premium Shimano 110/4 bcd compatible oval chainrings are designed for Dura-Ace 9100 and Ultegra 8000, but can also be retrofitted to 9000 and 6800 series cranks
- Expertly CNC machined from 7075 aluminum and type II anodized for a long lasting contruction and finish
- Ramps on big rings are specially configured for combinations: 50/34, 52/36, 52/38, 53/39T - other combinations will work but may require more derailleur adjustment
- *30T can only work with 46T and special bolt set 46/30. (bolts included with small ring)
- *32T can only work with 48T and special bolt set 48/32. (bolts included with small ring)
- Due to special mounting construction, aesthetic bolt covers are not offered for these designs
|Mount Compatibility:||110mm 4-bolt|
Every Day Free Shipping: Joe Mamma offers free shipping on all Canadian orders over $200 excluding complete bicycles and trainers. Customers are also welcome to pick up their orders in store at no charge, you can opt to do so at checkout (please await your order completion notice before coming to pick up your order).
Shipping Policy: Orders will be shipped as soon as possible, customers will be notified if any delay should occur. If one part of your order is unavailable at time of order, your order may be fulfilled with multiple packages. Shipping charges are non-refundable. International clients please note that customs or brokerage fees are the sole responsibility of the purchaser.
Joe Mamma Cycles ships to both Canada & the USA! We use Canada Post, UPS & Fedex to get you the best price & use recycled packaging to reduce our environmental impact.