Cane Creek 110 Series 41mm Headset Top Assembly IS/41/28.6/H15 41.8g Black Model=Cinturato SmarTube 1 RC2 W/ButterCups e-Bike approved

1 RC2 W/ButterCups e-Bike approved Yes Damping Adjustments External begin stroke rebound low speed compression high speed compression Lower Tubes Material Magnesium Primary Color Grey Spring Type DebonAir+ W/ButterCups

100% recyclable steel cartridges

The bike's seven speeds in combination with the easy-to-operate twist shifter expand the bike's range of use and increase the child's mobility

SRAM is the only supplier of the  M10 x

Cane Creek 110 Series 41mm Headset Top Assembly IS/41/28.6/H15 41.8g Black Model=Cinturato SmarTube 1 RC2 W/ButterCups e-Bike approved110 Series Solutions: separate top and bottom headset cup assemblies for tapered, reducer and conversion applications (mix & match system helps reduce inventory overlap) Same features and materials as 110 series complete headsets including 110 year warranty Top assemblies include star nut and top cap, while bottom assemblies include crown race Cane Creek Integrated 41. 0mm ID (36x45), Campy Hiddenset 42. 0mm ID (45x45) , ZS (ZeroStack), or EC