SRAM GXP 172.5mm 48T Black Omnium Track Crankset w/BB
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Feature
Includes GXP bottom bracket with external bearing cups (supplied with 68mm English cups, 70mm Italian cups sold separately)144mm BCD with 5mm thick, 48t 7075-T6 anodized chainring (compatible with 1/8" chain only)
Alloy chainring bolts
Black chainring