SRAM engineered the oversized DUB spindle to work across every bottom bracket standard

Easy to read

which improves durability and shifting performance

Giant C1285 MTB Sport Tire

Tubeless ready

Sram PC-850 8-Speed Chain Gray Sunshine_Enriched SRAM engineered the oversized DUBExtremely 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