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2018 Supercross SX-450z Pro XL

2018 Supercross SX-450z Pro XL

Tange Ultimate Cro-Moly. My race bike for 2019. 20 lbs of radness.


After a couple of years on Aluminium, I really wanted to get back on some good old 4130.

Plus, the blue color allowed me to at least attempt to pay homage to a bike from my youth, the humble entry-level Raleigh Blue Burner. See last photo.

Frame: Supercross SX 450 - Pro XL

Fork: S&M Race XLT

Headset: Crupi 45/45 Sealed

Stem: BOX One Delta - 31.8 x 48mm

Bars: Box One Pro 8.5"

Seatpost Clamp: Profile 28.6

Seatpost: Crupi Pivotal 27.2

Seat: ELEVN Pivotal

Grips: Cult Vans

Brake Lever: Box Three

Brake Cable: Box Concentric

Brakes: LDC V

Brake Pads: Box Three

Cranks: Promax HF-2 175mm

Pedals: Shimano XT Platforms PD-M8040

Chainring: Profile 44t 

Chain: SRAM PC-1

Wheels: Crupi Rhythm Section Pro 20 x 1.75 - 36H 

Tires: Tioga Power Block 20X1.75 (R) 20X1.95(F)

Tubes: Yes

  • Race
  • Company: Supercross
  • Model: SX-450z
  • Wheel Size: 20"
  • Headtube angle: 74.5
  • Seattube angle: 70
  • Toptube length: 21.25
  • Headtube size: 1-1/8"