Surly Track Cog 1/8'' X 17t Silver ModelNumber=1958 }Abus 6206K/110 Goose Lock -

}Abus 6206K/110 Goose Lock - 110cm Keyed Mint

CoolMax Headsweat

Aluminum lever blades with return springs

} Rear Derailleur Carbon Inner Cage Red AXS E1 Including Titanium Screws SRAM Model ID: RD-SPP-A0

6/40mm) Offset 42mm Axle Crown-490mm Brake Mount Disc Only (PM-160) Dropout 15x100mm TA Weight 725g (1

Surly Track Cog 1/8'' X 17t Silver ModelNumber=1958 }Abus 6206K/110 Goose Lock -Surly 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 17 Size 1 8''