Speedline Parts | Elite Carbon Fiber BMX Junior and Junior Cruiser Race Fork - 3/8" Dropouts

Speedline Elite Carbon Junior / Expert 20” and 24" Cruiser Fork

The new Speedline Carbon Fiber Junior/Expert Fork is the second generation of the Speedline Elite Carbon forks, featuring monocoque carbon construction for superior weight savings. It has over 3 years of development and testing behind it. Utilizing our special hand-laid carbon fiber legs with a carbon fiber steer tube, this fork has no bonding areas or weak points. The fork is one solid piece of carbon fiber!

It's light, strong, and exactly what you're looking for in a race fork.

The Junior/Expert size is available in a 1” steer tube. With traditional 3/8“ ( 10mm ) dropouts.

Available in: Gloss Carbon, Matte Carbon, and Limited Edition White.

20" Junior/Expert Fork Weight: @ 10.6 ounces ( 300 grams )

24" Junior/Expert Cruiser Fork Weight: @ 11.2 ounces ( 317 grams )

This fork will fit both Expert and Junior sized frames. Be sure to purchase the correct wheelbase for your build (20" for class, 24" for cruiser)

As your rider graduates into an expert frame, they can keep the same fork from their junior frame. This cuts down on upgrade costs, as who doesn't like saving a little money?!

The Speedline Junior / Expert Fork has a 125lb Rider Weight limit.

⚠️ CRITICAL WARNING: NEVER USE A STAR NUT

Under absolutely no circumstances should you ever install a traditional metal star nut into a carbon fiber steer tube. Hammering a star nut into the steer tube aggressively scores, cuts, and tears the internal carbon layers. This permanently compromises the structural integrity of the crown area, leading to premature and potentially catastrophic breakage.

  • You must ONLY use an approved carbon-specific expanding compression plug (or the specifically supplied Supercross threaded top cap system).
  • Any use of a star nut immediately voids all warranties.

Speedline Approved Expander Plugs SOLD HERE

Race calendar

Never miss a USABMX national

Add the 2026 USABMX national race schedule to your calendar with one click. Built by Supercross BMX so racers, parents, and fans can keep every national weekend in one place.

Dates are based on the official USABMX national schedule and may be updated if changes are announced. This calendar is a fan/racer convenience tool from Supercross BMX and is not an official USABMX calendar.

  • 5 stars: 28 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
Some of the reviews shown are from related products the merchant grouped with this one.
F
Frederic Scalvinoni
Super light Fork

I am Fred from the French Bmxgangster shop , and i think it’s the better junior carbone fork a this time .

F
Frederic Scalvinoni
Best Fork Ever

Light , Strong , nice

M
Mark Ford
Great forks, and a great delivery

Great forks, and a great delivery :)

J
Josh Coffey

Speedline Parts | Tapered Full Carbon Fiber 20mm BMX Pro Fork

O
O.P.

My son loves how it looks on his bike!

J
Jackson St John

Speedline Parts | Elite Carbon Fiber BMX Pro and Pro Cruiser Race Fork - 3/8" Dropouts

S
Stephane Garcia

Best bmx in te world

C
Christian Brown
Solid Forks!

These pair great with my Envy RS7. As a duo, these forks allowed my bike to have a very comfortable feeling geometry. My bike feels planted through the corners and straights while remaining nimble and maneuverable. 10/10 my favorite fork I’ve ridden!!!

D
Dr. John Sulik
Couldn’t be happier with my CF Pro Fork 20mm

Speedline and Supercross deliver again. Top quality and affordable!

C
Chris Wheeler
Service and quality every away

Bill is one of the best in the business.

L
Lee Vanderspool

Awesome service!

W
William Zdicham

Always great products .. supercross is all we ride . From 10 to 54 .. love their stuff .

M
Marlon Drummond

Speedline Parts | Elite Carbon Fiber BMX Pro and Pro Cruiser Race Fork - 3/8" Dropouts

A
Artis Štrodahs
ļoti ātra piegāde

ļoti ātra piegāde

D
Darryl Smith
Best parts best service

Hands down the best in bmx. Great service great parts quick delivery.

J
Justin

Great forks!

J
Justin O.
White Supercross Forks

Excellent product. Bike rides way better than Answer carbon forks!

C
Chris Wheeler

Great service

S
Stephen Payne
Speedline carbon fork

Light weight. Well designed, quality product.

E
Eric Lawson
Speedline Elite Carbon Fiber BMX Junior Race ForK

Love the fork! Bill Ryan (owner) personally returned my phone call taking the time & answering some installation questions I had. I am impressed with his personal commitment to his customers & product. Cheers

T
Todd Nugent
Awesome!

Arrived as described and when I called they were super helpful in making sure I had everything I needed for my sons bike. Definitely a Supercross customer for all my needs. Thank you Bill for all your help!

C
Carlos Rojas
Expedite order

Thank you team Supercross for expediting my order last minute! Received the equipment a few days prior the race! Cheers

B
Bill Kludt
Speedline cruiser forks carbon..

these forks are stiff and light ....paired them with Supercross carbon bars on cruiser the cap bolt is well built into fork with speedline logos great finish matte

J
Jeff Bohmer
Super Light Fork

The fork is lighter than any I have seen before. I haven’t had a chance to test it out yet, but I have always been happy with other Supercross products.

A
Anonymous
Good material

Good material, well finished.
To see in use now
👍😉

B
Brandon Boyd
Best parts period. Finish and fit are the best I’ve seen

Let’s face it. When this sport goes beyond having fun and you have real talent to develop, these are the parts to get it done. If you want quality and results, buy Supercross and Speedline. Even if you’re a factory dad and building top shelf bikes for kids under the age of 9. Spend the money, it’s worth it.

H
Hugo Murillo
QUALITY PRODUCTS

Since my son was a child, today he is 17 year old- we love the supercross products.

B
Burlin Harris
Solid Customer Service and Products!

Loved it all! My son was stoked when the polished mirror frame arrived! Just needed to supplement missing parts/out of stock parts, so it's taking a while to build a complete bike.