BOX Components "Box One X5 Pro Carbon Tapered" BMX Race Fork - 20 Inch - 20mm
- Weight : 0.58kg / 1.28lbs
- Packaging Unit: 1 Piece
- Product ID (PID): 45215
Weight
Source: BMX Glossary
Printed: 10/29/2026
The BOX Components "Box One X5 Pro Carbon Tapered" BMX Race Fork - 20 Inch - 20mm is a carbon race fork from the BOX Oversized line, made for pro frames with a tapered head tube (1-1/8" top, 1.5" bottom). The tapered 7075-T6 aluminum steerer and the 20mm thru axle keep the front stiff, an internal butterfly reinforces the transition from steerer to legs.
The legs are unidirectional carbon, crown and dropouts are cold forged 6061-T6 aluminum. The BOX One stem lock and adapter washers that let the fork take a 10mm axle are included. This version is for 20" wheels.
Facts: BOX Components "Box One X5 Pro Carbon Tapered" BMX Race Fork - 20 Inch - 20mm
- Wheel Size: 20"
- Material: legs: high modulus unidirectional carbon fiber (vacuum molded), steerer: 7075-T6 aluminum, tapered 1-1/8" to 1.5", crown (butterfly) and dropouts: 6061-T6 aluminum, cold forged
- Steerer Tube Diameter: 1-1/8" - 1.5" (28.6mm - 38.1mm)
- Steerer Tube Length: 180mm
- Top Bolt: BOX One stem lock included
- Dropouts: 20mm axles, 20mm thru axle, with adapter washers for 10mm axles
- Offset: 32mm
- Recommended for: Race
- Extras: axle to crown 303mm, max. rider weight 115kg (EN 16054 category 2), weight 579g (carbon may vary by +/- 10%)
- Content: 1 fork, stem lock, adapter washers 20mm to 10mm






















