Works with all Stan's rims

SCM 415 hardened chromoly steel

Stretch shoulder design for comfort in the riding position

These Mezzo rear derailleurs are light

Energy capsulated in a natural hydrogel

TOPEAK Explorer MTX 2.0 Disc Compatible Rack - Black Compatio_Enriched Works with all Stan's rimsTopeak Explorer Rear Mount Rack features an integrated top plate for quick mount Topeak MTX and RX Quick Track trunk bags. Size (LxWxH): 16. 5 x 9. 3 x 16. 3 Tough 6061 T6 aluminum construction with 6061 T6 aluminum fitting bracket Hollow tube O D 10. 2mm Integrated top plate for quick mount Topeak MTX and RX Quick Track trunk bags Integrated fender top MTX 2. 0 racks are also compatible with MTX 1. 0 bags