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Bikes & Frames
Components
Accessories
Maintenance
Apparel
Nutrition
Bikepacking
Outdoor
Sale
ACS
Maindrive Headset, IS42/25.4 - IS42/26 Reducer
Own it now for
$26
99
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$29
95
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CNC machined alloy tops with sealed mechanism 45/45 degree bearings
Reduces 1-1/8" frame to use a 1" fork
Specifications
Bearing Type
Sealed Cartridge
Crown Race
26.4mm
Headset Steerer Fit
1" Threadless
Material
Aluminum
S.H.I.S. Lower
IS42
S.H.I.S. Stem Clamp
25.4 Threadless
S.H.I.S. Upper
IS42
UPC
816411002072
EAN
MPN
63833-1000
Tree Fort ID:
333222409437
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