It's a stack spacer. It''s a top cap. It''s both! The Ultralight stem cap is designed specifically for carbon steerers that require that the steer tube extend above the stem.
1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only
Light-weight and durable
UPC
810006806441
MPN
STEMCAP5MMESP
Tree Fort ID:
333222460448
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