Problem Solvers Stem to Steerer Clamp Shims

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Problem Solvers Stem to Steerer Clamp Shims - These shims allow you to mount 1-1/8” threadless stems on 1” threadless steerer tubes - Increases steerer tube diameter from 25.4 mm t o 28.6 mm - Available in 38mm and 49mm heights - NOT FOR USE ON THREADED STEERER TUBES Show more