Shimano Dura-Ace FC-R9100 2 x 11 Speed Road Bike Chainring Set 53/39T or 50/34T Compact Number of Teeth:50/34 Tooth Brand: Challenge

Brand: Challenge

Speeds: 9-12

Bead Folding Labeled Size 700x45C Primary Color Black Tire Compound Dynamic:UHP Tire Diameter/ISO 700C/622 Tire PSI 50 Tire Technology M:Wall Tire Type Tubeless Ready Tire Weight 525g Tire Width 45C Tire Width Range 39 - 50 Tubeless Technology Tubeless Complete

Sleeve Length (underside): 4 in

Steerer Diameter: 1"

Shimano Dura-Ace FC-R9100 2 x 11 Speed Road Bike Chainring Set 53/39T or 50/34T Compact Number of Teeth:50/34 Tooth Brand: ChallengeNOTE: Genuine Shimano product bulk OE packaging Brand: Shimano Model: Dura Ace FC R9100 Road Outer + Inner Chainring Set 2 RINGS SHIP TOGETHER Teeth: 53 39 OR 50 34 Compact Speeds: 2 x 11 BCD: 110mm 4 Bolt Asymmetric Weight: 50 34: 124 grams (actual) 53 39: 140 grams (actual)