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julio 27, 2026

Full Speed Ahead NO.55R/57-A Tapered Headset with 1.5″ Angular Contact Bearings

The Full Speed Ahead NO.55R/57-A is designed for use with 62mm outside diameter head tubes and features high performance 1.5" Angular Contact Bearings (ACB) with black seals.For use with 62mm outside diameter head tubes. Designed for 1-1/8" to 1-1/2" tapered forks. Aluminum top cover. 1.5" angular contact bearings provide smooth movement while the black seals offer protection from the elements. Compatible with Intense M1 frames. Item Specifications: S.H.I.S Upper, ZS56, S.H.I.S. Stem Clamp Diameter, 28.6 Threadless, S.H.I.S Lower, ZS56, Color, Black, Crown Race, 40, Bearing Type, ACB, Defined Color, Black, keyword search, Intense M1,.
julio 27, 2026

Full Speed Ahead NO.55R/57-A Tapered Headset with 1.5″ Angular Contact Bearings

The Full Speed Ahead NO.55R/57-A is designed for use with 62mm outside diameter head tubes and features high performance 1.5" Angular Contact Bearings (ACB) with black seals.For use with 62mm outside diameter head tubes. Designed for 1-1/8" to 1-1/2" tapered forks. Aluminum top cover. 1.5" angular contact bearings provide smooth movement while the black seals offer protection from the elements. Compatible with Intense M1 frames. Item Specifications: S.H.I.S Upper, ZS56, S.H.I.S. Stem Clamp Diameter, 28.6 Threadless, S.H.I.S Lower, ZS56, Color, Black, Crown Race, 40, Bearing Type, ACB, Defined Color, Black, keyword search, Intense M1,.