Nitto B123 Cr. Mo. Track 25.4mm 420mm 108mm 170mm Chrome Track Chromoly Tooth Count-40 Molded conical seats allow the

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

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

Type Standard Size 700x30 ISO 622 Bead Fold Belted Tread/Sidewall Color Bk/Bsk PSI 100 Weight (Grams) 351 TPI 120 Durometer Features HRC/E2/REF Reflective Sidewall Yes

you can now pull your Sportube behind you like a piece of luggage instead of by your side

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 Molded conical seats allow theSturdy 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