• Premium best-of-the-best narrow-wide chainrings for your SRAM X-Sync DM cranks and a 1 x 9/10/11/12 speed drivetrain on a Boost 148mm chainline
• 3mm offset optimized for a Boost 148 chainline
• CNC machined from thick, 0.313" T6 heat-treated, super-strong AL7075 right here in Canada
• Available in round or oval configurations
• Ovality: 12%-13%, Timing of 115° after TDC (Top Dead Center)
• Anodized colours w/ laser etched graphics

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.