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

Kappstein PRO- LINE rear cogs
Kappstein PRO- LINE rear cogs

Kappstein PRO- LINE rear cogs

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The Sprocket ProLine combines all the advantages of the ProLine series and has been specially optimised for 11-speed chains. This sprocket was used for the first time at the 2016 Olympic Games in Rio by none other than Olympic champion Kristina Vogel. The narrower design makes it even lighter than the standard sprocket. It also ensures improved power transmission and is thereby particularly wear-resistant as a result. The high-quality laser engraving featuring the Kappstein logo completes the design.


Teeth: 12T-17T
Material: 630er stainless steel
Chain: 1/2" x 11/128" (11-speed chain)
Weight: 16T=49g
Thread: BSA/BSC 1,37" x 24 TPI
Color: steel-silver
CNC-shaped & laser engraved
Application field: track cycling

Paired up with the front PRO-LINE chainrings