- Ensure the perfect fit for your bike's performance with the right freewheel base. - Key Specifications: - The hub ring must meet the following criteria: - Outer diameter: M35 - Height: 10 mm - Tooth count: 30 - Compatible with Shimano 12-speed sprockets using the Micro Spline system. - Hub outer diameter is 15 mm. - Benefits: - Achieve optimal gear shifting and smooth performance with the appropriate freewheel base. - Designed specifically for durable compatibility with Shimano components, ensuring reliability and longevity during rides. - Practical Applications: - Ideal for upgrading your bicycle’s drivetrain for enhanced cycling efficiency on varied terrains. - Great for custom bike builds or replacing worn-out freewheel bases to maintain peak operational standards. - Compatibility makes it essential for both recreational cyclists and serious competitors aiming for a competitive edge on the road or trail. - Select this freewheel base to ensure a seamless fit and improved cycling experience.