Bmw Final Drive Unit R50 R60 R75 R80 R100 34/11 Ratio Disc Brake For SaleIt was made initially for drum brake but was retrofit for disk brake.I had this unit on my bike for 1500 miles when mine original was in repairs runs smooth no jerking very good unit
as u can see in the picture splines looks very good i would say 80%
On Sep-10-13 at 18:49:58 PDT, seller added the following information:
It Could be easily converted back to the drum brake just need to put rockers back in
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