24" x 20mm Box X2 Pro Carbon Fiber BMX Race Fork - 1-1/8" Threadless - Black 18t It is a straight 3/8"

It is a straight 3/8" (10mm) bolt that will fit 3/8 drop outs

We would never fold old or vintage tires

Arm length: 160mm

It is similar to those used on many bikes made in the 70s and early 80's

24" x 20mm Box X2 Pro Carbon Fiber BMX Race Fork - 1-1/8" Threadless - Black 18t It is a straight 3/8"The Box One X2 Cruiser Fork has the optimal balance of weight, strength and stiffness. Professional fork builders place every unidirectional carbon fiber strategically to optimize weight, strength, and stiffness. Designed with Oversized Technology, the Box One X2 Fork features a chromoly steerer tube and a 20mm through axle cold forged bonded dropouts. A Box One Stem Lock and Box One axle adapters are included (axle adapters will only work with 3 8"