Shimano Dura-Ace FC-R9200 12-Speed Chainring - 34tShimano Dura Ace FC R9200 chainrings are constructed with high quality aluminum and are compatible with FC R9200 and FC 9200 P 2x 12 speed cranksets. Asymmetric 110 BCD Compatible with HG 12 speed chains Aluminum with anodized finish provides durability and light weight 34t inner chainring is for use with 50t outer chainring

ROTOR L135mm MTB Axle

Designed for ebike: Yes

FlexWing Technology Fits Tube size between 1" (25mm) and 2

SM-EW90-B: 5-Port Cockpit Junction Box connects up to 2 pairs of Di2 shifters to the frame junction box via 5 SD50 E-tube wires

Trans Fat: 0

Precision Machined 6061-T6 Aluminum

Construction Independent

these cleats are your best bet

Washer shape: Flat

Platform Width: 64

31c (285g)

contributing to the overall rigidity and performance of your cockpit setup