Apex 1, Rear derailleur, 11sp., Long cage, Black Mountain bikes Stress Tracking - Determine if

Stress Tracking - Determine if your day is calm

Wolf Tooth bottom bracket sockets are tools for installation and removal of external cup bottom brackets

better ventilated and with an adjustable TriVider webbing - the Abus CliffHanger MIPS scores with these features

18mm profile

Fits two Yepp® Easyfit baby seats without adapter

Apex 1, Rear derailleur, 11sp., Long cage, Black Mountain bikes Stress Tracking - Determine ifLong cage 42t capacity CAGELOCK technology for easy wheel removal and installation Compatible with 10 speed and 11 speed SRAM 1x road systems Equipped with ROLLER BEARING CLUTCH X HORIZON design reduces shift force, eliminates ghost shifting and chain slap Large upper pulley offset automatically adjusts chain gap Steel cage SRAM Model ID: RD APX 1 A1