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ok ive just replaced my chainrings to...."blackspire"....only second ride in and ive lost a chainring bolt and the others were loose. ive used my original chainbolts which were 'raceface'..... the middle ring is fine , so just the innerring seems to be the problem..loose bolts... do i need to get blackspire chain ring bolts..and if so are they one size ?...ive looked on crc website and the raceface are alot shorter than the blackspire bolts in length..the blackspire look long to me...
any advice cheers... 😉
i think these are wot i have on at the mo
http://www.chainreactioncycles.com/Models.aspx?ModelID=40570
and these are the blackspire chainbolts
http://www.chainreactioncycles.com/Models.aspx?ModelID=35865
Measure the depth of the hole on the crank this should let you know what you need. I assume (dangerous) that the inner ring bolts screw into the crank spider rather that screw into a nut, like these.
http://www.chainreactioncycles.com/Models.aspx?ModelID=7064