SRAM Red D1 DUB Crank Arm 175mm DUB Black CheckoutTitle=SRAM Brake and Derailleur Housing Fits Brand BBF Fits Brand Gender Unisex Color Silver B-FX1630 MFPN=EFCRX6101EXB0 Color:BLK

SRAM Red D1 DUB Crank Arm 175mm DUB Black CheckoutTitle=SRAM Brake and Derailleur Housing Fits Brand BBF Fits Brand Gender Unisex Color Silver B FX1630 MFPN=EFCRX6101EXB0 Color:BLK Fits Brand BBF Fits Brand Brodie Fits Brand Centurion Fits Brand Columbus Fits Brand Fezzari Fits Brand Forme Fits Brand Garneau Fits Brand Gepida Fits Brand Giant Fits Brand Haro Fits Brand Hasa Fits Brand KHS Fits Brand Louis Garneau Fits Brand M2S Fits Brand Merida Fits Brand Novara Fits Brand Raleigh Fits Brand UMF Fits Brand Viper These aluminum single speed cogs feature extra tall teeth for reliable chain retention when using chain tensioners