Surly Track Cog 1/8'' X 15t Silver MFPN=Y1MP98020 elastic holders

elastic holders

Replacement freehub bodies for Sun Ringle wheels that accommodate a variety of cassette types

Stem Angle (deg) +7 Stem Angle (deg) -7 Length 100 Bar Clamp Diameter (mm) 31

Type Standard Size 650Cx23 ISO 571 Bead Wire Tread/Sidewall Color Gy/Bsk PSI 110 Weight (Grams) 270 TPI 60 Durometer Features Reflective Sidewall No

Bottom-out system prioritizes a more open compression and air spring feel enhancing control and eliminating unwanted noise

Surly Track Cog 1/8'' X 15t Silver MFPN=Y1MP98020 elastic holdersSurly track cogs are threaded the same as a BMX freewheel (1. 375 x 24 tpi right hand threads). This means that they will fit on single speed rear hubs as well as BMX freewheel hubs but this application is not recommended. Track cogs are meant to work on track hubs only. 415 hardened chromoly steel 1. 375" x 24 tpi Photo for color and material reference only Tooth Count 15 Size 1 8''