Absoluteblack winter oval road 5 bolt road chainringabsoluteblacks winter oval road 5 bolt road chainring is designed for training and all round riding it is compatible with pre 2014 2x10 speed cranks like shimano dura ace fc7900 fc7800 ultegra fc6750 105 5750 and many more with a 5 bolt fitting it offers the performance of the genuine shimano part for a lower price features materialcnc machined 7075 txxx aluminium speed 10 long lasting construction compatibility all rotor road cran