Specialized S-Works ares shoe black 41 CheckoutTitle=Shimano Dura-Ace RD-R9150-SS Di2 Rear Derailleur - 11-Speed Of course with ECE-R75 certification

Of course with ECE-R75 certification for fast e-bikes

fits underneath bottle cage

Rear Axle Type 12mm Thru-axleRear Hub Spacing (mm) 148Cassette Body Type SRAM XDMaterial Aluminum

This version also has a 150mm Öhlins RXF36 fork

Specialized S-Works ares shoe black 41 CheckoutTitle=Shimano Dura-Ace RD-R9150-SS Di2 Rear Derailleur - 11-Speed Of course with ECE-R75 certificationThe all new S Works Ares 2 is the ultimate shoe for racers looking for the most positive, locked in feel without sacrificing comfort. Engineered with our Body Geometry methodology for power, comfort, and pedaling precision delivering a 7 watt power increase while reducing forefoot pressure by 44%. The S Works Ares 2 is the pinnacle of race footwear redefined. Body Geometry Last All New Body Geometry last reduces forefoot pressure by 44%. Compatible