This very light, stiff, and strong carbon crank spider optimizes your power transfer. - Stiff and lightweight. - For use with S-Works carbon road cranks.
- Adapts American/Pro BMX frames with a non-Threaded 51.3mm (2.02") i.d. bottom bracket shell to accept English-threaded bottom bracket & crank applications - CNC-machined aluminum with three steel connecting bolts to prevent independent rotation…
SR Suntour's XCT is a replacement left crank arm for square or diamond taper-oriented cranks that features aluminum alloy construction.
- M30 cap with self-extracting crank bolt and washer - Compatible with 2013 and newer FSA Gossamer cranks