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White Industries M/R30 Adjustable Crank Arm Ring (Black)
Original price was: $26.00.$20.80Current price is: $20.80.
(In Stock)
Otherwise know as “bearing pre-load collars”, the White Industries M/R30 adjustable crank rings are a part of the non-drive side crank arm and are used to adjust the bearing pre-load of the bottom bracket. Note: The collar must be threaded all the way onto the crank arm before installing the arm onto the spindle, otherwise damage may occur to the BB bearings or the collar.
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