Nitto B123 Cr. Mo. Track 25.4mm 420mm 108mm 170mm Chrome Track Chromoly Tooth Count-40 Big Betty works perfectly on

Big Betty works perfectly on the rear wheel when combined with the much-loved Magic Mary

while Wolf Tooth rear axles require a threaded nut to be added to the end of the axle

Molded conical seats allow the nipples and spokes to articulate preventing premature fatigue and failure

Bleeding Edge design for easier maintenance

Range 10-30Cogs 10-11-12-13-14-15-17-19-21-24-27-30Cassette Body Type SRAM XDRDrivetrain Speeds 12Color Silver/BlackDefined Color SilverDefined Color Black

Nitto B123 Cr. Mo. Track 25.4mm 420mm 108mm 170mm Chrome Track Chromoly Tooth Count-40 Big Betty works perfectly onSturdy chromoly construction. Traditional shape Japanese Keirin Association approved. 665 730g TECH SPECS Vendor Nitto Manufacture Number B 123CrMo 25. 4 CP 42 Model Name B123 Cr. Mo. Track Category Handlebars