which improves durability and shifting performance

Includes Trainer Mat

Roll-up leg openings expose BioViz reflective elements

Multiple cross bars provide pannier mounting options

Sram PC-850 8-Speed Chain Gray Sunshine_Enriched which improves durability and shiftingExtremely strong. Incredibly precise. SRAM's PowerChain II increases front and load shifting performance without sacrificing rear shifting precision. The Step2 riveting process increases the Push Pin Power for increased strength and durability. An equally smooth operator on city bike paths and country trails PowerLink "no weak link" technology lets you insert, press, and lock to join links. No tools needed