NOTE: 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)