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With the Excentriker we have another nice innovation part for your bike. An eccentric bottom bracket for standard frames! Fix to standard frames and brings the possibility to adjust the chain tension (for gear hubs and single speed). So you don’t need a chain tensioner, adjustable drop outs or tandem bottom bracket any more. The Excentriker is easy to install and brings you a smooth optic on your bike! Fit with single speed cranks with 24mm axle.
Runs on two 6805 bearings. 37mm OD - 25mm ID - 7mm Width
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Questions & Answers (3)
Do You Also Sells The Tool To Install This Ebb?
By
14 Apr 2015
SJS Customer Service:
Hi,

We do indeed sell the tool that goes with this bottom bracket, it is SJSC part 20287.

Thanks.
Type Of Crankset?
By
10 Mar 2015
What would you recommend as a single chainwheel (say 46 tooth) crankset to go with this, probably to run with an SA S3X rear hub (120mm) on a frame with standard British Standard BB shell?. Do you need to buy the bearings as an extra item?
SJS Customer Service:
Hi,

Any crankset with a 24mm diameter spindle will be suitable for use with this, so any Shimano set and any Shimano compatible cranksets that are designed for use with external bearings. The bearings are already included in this product so there is no need to purchase them separately.

Thanks.
Shell Size
By
23 Feb 2015
I am thinking of fitting this to a Genesis Croix de Fer 2015 frame which has a standard 68mm BB shell with a view to fitting a Rohloff hub. Do you think this will fit a standard 68mm British thread BB shell? Also the Rohloff needs a dropout spacing of 145mm?
Thanks,
Andrew
SJS Customer Service:
Hi

Yes the Excentriker will fit a bottom bracket shell of 68mm however all Rohloff hubs are spaced to 135mm only, we wouldn't be able to advise as to whether you would be able to have the frame adapted that would have to be something that you would need to speak to a frame builder about.

Regards, Jamie