Thursday, April 23, 2015

Crank - Installed

Installing the Middleburn x-type cranks could not have been easier ... er ... maybe a tiny bit easier.  The spindle/left crank arm assembly slides through the bottom bracket and the right crank arm bolts on with a bolt integrated into the arm.  The whole thing then gets tightened with a threaded tension collar.  A pinch bolt secures the collar.  Done,



The only hiccup came when the plastic dust ring that covers the bottom bracket bearing got dislodged as I bumped (slammed) the spindle through with my palm.  After withdrawing the spindle the ring got tapped back in with a hammer.  A bit of grease and a gentler approach got the spindle through.  It turns out I was fortunate, as learned later, that ring is quite brittle and breaks easily ... and cannot be purchased separately.   I was just one mis-tap away from buying a new bottom bracket.

Pedals followed with the ease expected of a single bolt component.  Just remember the lefthand threads on the left pedal.  I used a small crescent wrench which worked without any knuckle damage, albeit a bit slower than a pedal wrench would have been.  Lastly, a no frills pic of my no frills all-black pin pedal.




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