Hubs: Shimano Dura-Ace WH-R9100 hubs Freehub: Pictured with a Shimano/Sram 11-speed freehub. Axle Spacing: Front QR x 100mm, Rear QR x 130mm. Hubs: Shimano Dura-Ace WH-R9100 hubs. Rims: 50mm deep Carbon rims, 22.4mm external width, 17mm internal width.
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