Park Tool SCW-18 Cone wrench: 18mm 320TPI Type BMX Headtube/Quill Diameter 1-1/8`

Type BMX Headtube/Quill Diameter 1-1/8` Length 52 Bar Clamp Diameter 22

56-tooth custom chainring is the perfect ratio for effortless 20-inch wheel pedaling

Use replacement bearing #6702184 for Idler Mag

Sleek compact lightweight design

Park Tool SCW-18 Cone wrench: 18mm 320TPI Type BMX Headtube/Quill Diameter 1-1/8`Shop quality cone wrench for extended use by professional mechanics. Long vinyl dipped handle for leverage and comfortable use Special "Y" head design puts more material where needed for strength and durability Precision sizing and a military grade industrial phosphate finish ensure an accurate fit and consistent quality Thin enough to use on the narrowest of adjusting cones Model 18mm Shop Cone Wrench SCW 18 Description 18mm Cone Wrench Color Blue