microSHIFT ADVENT Rear Derailleur - 9 Speed Long Cage Black Akero Pas Gusseted design removes seams under MFPN=100-019-004 Ski Length:XL H380599-01 Square 1 4 reversible

microSHIFT ADVENT Rear Derailleur 9 Speed Long Cage Black Akero Pas Gusseted design removes seams under MFPN=100 019 004 Ski Length:XL H380599 01 Square 1 4 reversible Gusseted design removes seams under seating area Color Black Defined Color Black Gender Age Men's Shorts Style Baggy Size 2X Large Material Synthetic Windblock None Water Protection Water Resistant Clothing Features Pocket Activity Cycling Inseam 12 Chamois Gel Depending on the terrain and environmental conditions in your location your riding style and skill level you may see more optimum performance if you service your SRAM and RockShox products at shorter intervals