ACS Maindrive Headset EC34/28.6|EC34/30 Black MFPN=SLPR-33-R3 Material strength also allows large

Material strength also allows large 6902 bearings to fit inside the freehub

Any frame that uses an external cup headset with a 34mm upper head tube inner diameter and 34mm

providing a secure and reliable connection for an enhanced skiing experience

} Charger 2

Bearing# 2437 ID X OD X W (mm) 24x37x7 Brand Sram

ACS Maindrive Headset EC34/28.6|EC34/30 Black MFPN=SLPR-33-R3 Material strength also allows largeMainDrive External Headsets utilize forged steel cups alloy tops and cap with sealed mechanism bearings. Color Black Bearing Type Cartridge Crown Race 30 Defined Color Black S. H. I. S Upper EC34 S. H. I. S. Stem Clamp Diameter 28. 6 Threadless S. H. I. S Lower EC34 Size EC34 28. 6 EC34 30