Conversion headsets fit a 1" fork steer tube to an 1 1/8" frame head tube.
ACS MainDrive components are high quality, value-priced replacement parts for everyday use. MainDrive Threadless External Headsets include forged steel cups, alloy tops, and cap with sealed mechanism bearings.
Available in 5 anodized colors for 1" steer tubes.
S.H.I.S. EC30/25.4 | EC30/26
Available colors: Black, Blue, Red, Gold, and Purple.
#63833- (color) Made in Taiwan