Shimano Dura-Ace FC-R9200 12-Speed Aluminum Chainrings Bundle - 36t & 52t, Asymmetric 110 BCD, Lightweight High-Performance Cycling Components Bolt Size (mm)_4 mm Designed for smooth and responsive

Designed for smooth and responsive gameplay

- Sleek black with gray accents complements any mountain bike aesthetic

or long-distance endurance cyclists

Designed for professional bike shop use

Shimano Dura-Ace FC-R9200 12-Speed Aluminum Chainrings Bundle - 36t & 52t, Asymmetric 110 BCD, Lightweight High-Performance Cycling Components Bolt Size (mm)_4 mm Designed for smooth and responsiveUltimate Shimano Dura Ace FC R9200 12 Speed Chainring Bundle 36t Inner and 52t Outer, Asymmetric 110 BCD, Black Elevate your road cycling performance with this premium Shimano Dura Ace FC R9200 12 Speed Chainring Bundle, designed for serious cyclists seeking precision, durability, and optimal power transfer. Crafted from high quality anodized aluminum, these lightweight, stiff chainrings feature innovative Hollowglide technology to deliver enhanced