Selle San Marco Ground Sport Saddle Width:Narrow 2-sided clipless mechanism uses HTs

2-sided clipless mechanism uses HTs exclusive H30/X-series cleats

}Shimano Altus RD-M310 Rear Derailleur - 7 8 Speed Long Cage Black

}Wolf Tooth GeoShift Performance Angle Headset - 2 Deg Short EC44/ZS56 Black

full 6061 alloy

} Bracket can be mounted to the seat tube (from 28mm to 36mm)

Selle San Marco Ground Sport Saddle Width:Narrow 2-sided clipless mechanism uses HTsSaddle designed from the ground up for aggressive terrain Support and relieving pressure where you need it Carbon Steel rails and a wider and softer front end than its competitors Reliable rails and durable Silkfeel material Model Ground Sport Size Narrow (S3), Wide (L3) Rails Carbon Steel Color Black LxW (mm) 255x140, 255x155 Weight 319g, 324g