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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
bearing# 6903 ID x OD x W (mm) 17x30x7
Bolt-on axle
Advanced friction-reducing
Machined 6061 aluminum in anodized red
Length 605/850
Full Speed Ahead Pro Track 51t x144mm Black Chainring 1/2"x1/8" MFPN=924005 bearing# 6903 ID x ODFull Speed Ahead Pro Track 51t x144mm Black Chainring 1 2"x1 8". FSA Pro Track Chainrings are CNC Machined AL7075 T6 with laser etched logos. Requires 1 2"x1 8" chain TECH SPECS Color Black Ring Position Type Single Tooth Count 51 Drivetrain Speeds Single Speed 1 2" x 1 8" Chainring BCD 144 Material Aluminum Defined Color Black
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