Promax IG-45 Alloy Sealed Integrated Tapered 1-1/8 Top 1.5" Bottom Headset Includes 1-1/8" Fork Race BLK CheckoutSpec= USB Rechargable Features a lightweight and compact

Features a lightweight and compact design with I-SPEC EV

Wear resistant 7075 Aluminium

They fit only the Shimano XTR M9000 and M9020 cranksets (race and trail respectively)

Defined Color Black TPI 33 Tire Type Tubeless Ready Clincher Tire Intended Use Mountain Color Black Designed for ebike Yes Tire Diameter 29" Tire Bead Folding Labeled Size 29 x 2

Promax IG-45 Alloy Sealed Integrated Tapered 1-1/8 Top 1.5" Bottom Headset Includes 1-1/8" Fork Race BLK CheckoutSpec= USB Rechargable Features a lightweight and compactThe IG 45 integrated headset features an aluminum cap bearing cover and crown race with super smooth rolling precision 4545 bearings. Color Black Bearing Type Sealed Cartridge Crown Race 30 Defined Color Black S. H. I. S Upper IS42 S. H. I. S. Stem Clamp Diameter 28. 6 Threadless S. H. I. S Lower IS52 Size Tapered 1 1 8 Top 1. 5" Bottom