Product Name: Full Internal Carbon Fiber Mountain Bike, Mountain Bike, Disc Brake, Front Fork Universal

Material: T700 carbon fiber

Head canal diameter: 28.6 mm 1.1/2 "spinal canal

Front fork net weight: 575G+/-5G

Disc brake: A-pillar disc brake,

PM mountain bikes can use tires up to 2.1in on 26/27.5/29

FM road/melon car maximum tire support 55MM

Suitable for gravel mountain bike, road bike, melon bike, mountain horse modification