Replacement cranks for SRM Professional, Science, Track and Amateur Powermeters.

These cranks are available in a variety of different configurations including the

FRONT three bolt as illustrated

REAR fitting bolts (newer track cranks)

FRONT FOUR bolt fitting (older track cranks)

To ensure we get the correct version please email over a photo of your crank set from the FRONT and REAR.

Most newer crank arms are black but occasionally older versions may still be silver.

Please specify whether you require OCTALINK or SQUARE TAPER VERSION 

Add fitting and calibration if required.

We also recommend replacing the three torque screws -- available seperately : http://scientific-coaching.com/torque-screws.html

 Please contact us to discuss your individual requirements. 01953 711176