Looking for that extra few watts? Maybe the FMB handmade tubulars will get you over the line faster!

Kappstein 1/8 cogs
Kappstein 1/8 cogs
Kappstein 1/8 cogs

Kappstein 1/8 cogs

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GERMAN made precision and beautifully finished in stainless steel.


Select appropriate tooth number from the Drop box to the right,

Teeth: 12T-18T
Material: 630 stainless steel
Chain: 1/2 "x 1/8" single chain
Thread: BSA / BSC 1.37 "x 24 TPI
Color: stainless steel-silver
laser engraved
Application: track cycling, fixed gear, single speed

100% made in Germany.


match them up with the Ruphus front chainrings


Other sizes available on request