x

BMX Sizing Chart: Racing

close
icon

Tutorials

Other

close
Logo

BMX Sizing Chart: Racing

BMX Race Sizing Guide

Rider Height
Frame Size
Toptube Length
Stem Length
Bar Rise
Bar Width
Crank Length
Gearing
4'4" & under
Micro
15" - 16.5"
Mini: 25mm - 35mm
2" - 2.5"
20" - 22.5"
145 - 155mm
41-43 / 16
4'2" - 4'10"
Mini
16" - 17.5"
Mini-Mini XL: 30mm - 40mm
2" - 3.5"
21" - 23.5"
155 - 165mm
41-43 / 16
4'6" - 5'1"
Junior
17" - 18.5"
Mini XL-Expert: 40mm - 45mm
3" - 5"
22" - 25"
160 - 175mm
42-43 / 16
5'0" - 5'4"
Expert
18.5" - 19.5"
Expert-Pro: 43mm - 48mm
5" - 7"
25.5" - 27"
170 - 175mm
42-43 / 16
5'2" - 5'6"
Expert XL
19.5" - 20"
Expert-Pro: 43mm - 48mm
6" - 7"
25.5" - 27"
170 - 175mm
42-43 / 16
5'3" - 5'8"
Pro
20" - 20.5"
Pro: 50mm - 55mm
7" - 8"
27" - 28"
175 - 180mm
43-44 / 16
5'7" - 6'
Pro XL
20.5" - 21.25"
Pro XL: 50mm - 55mm
8" +
28"
180 - 190mm
44 / 16 & over
6' & over
Pro XXL
21.25" - 22"
Pro XXL: 52mm - 60mm
8" +
28"
180 - 190mm
44 / 16 & over


What is BMX Racing?

BMX Racing is a high-energy, competitive sport where riders race on specially designed off-road tracks. Originating in the late 1960s in Southern California (of course…), it’s grown into an internationally recognized sport, even becoming an Olympic event in 2008. 

A bit about it:

Track and Racing Format

Track Design: BMX race tracks are typically 300-400 meters long and feature various obstacles including jumps, banked corners (berms), and rhythm sections. They’re designed to test riders’ speed, agility, and bike-handling skills.

Race Format: races usually consist of 8 riders competing head-to-head in a sprint format. The race starts from an elevated starting gate and involves a single lap around the track. Riders are classified based on age and skill level, from novice to expert categories.

Bikes

Design: BMX racing bikes are built for speed and agility. They have a lightweight frame, typically made from aluminum or chromoly steel. They usually feature 20-inch wheels, although smaller sizes are available for younger riders.


Components

Gearing: BMX race bikes have a single gear. The gear ratio is chosen to balance acceleration and top speed.

Brakes: only rear brakes are used, emphasizing simplicity and weight reduction.

Tires: are smooth or lightly treaded to minimize rolling resistance and maximize speed on the dirt tracks.


Key Competitions

Olympic Games: since 2008, both men’s and women’s events are held, featuring the world’s top riders. 

https://olympics.com/en/paris-2024/sports/cycling-bmx-racing

UCI BMX World Championships: organized by the Union Cycliste Internationale (UCI), this annual event crowns world champions in various age and skill categories.

USA BMX: organizes a national series of races across the United States, culminating in the Grand Nationals.


Training and Skills

Physical Fitness: BMX racers require explosive strength and endurance. Training often includes sprinting, weightlifting, and plyometric exercises.

Technique: riders must master the “bunny hop” to clear obstacles, cornering techniques for berms, and the ability to maintain speed through rhythm sections. Starting technique is crucial, as the race  is often decided in the first few seconds out of the gate.


Safety Gear

Helmet: full-face helmets are mandatory to protect against falls and collisions.

Pads: riders typically wear knee, elbow, and shin pads, as well as gloves to protect their hands.

Clothing: durable, long-sleeve jerseys and pants designed for BMX racing provide protection and comfort.


BMX Racing is a thrilling and fast-paced sport that combines speed, agility, and technical skill. It requires a specialized bike, protective gear, and intensive training. With competitions ranging from local tracks to the Olympic Games, BMX Racing continues to grow in popularity and attract new riders of all ages.


USA BMX and 

UCI BMX https://www.uci.org/discipline/bmx-racing/2IM2tidwZ8mImqzFMsFwB4?discipline=BMX

 are excellent resources for detailed insights & event calendars. Ride on!


Don't want to miss anything?

Get weekly updates on the newest gear stories, sports and tips right in your mailbox.

Email

Download the App
on iPhone and Android.

Make your orders and sales faster with our crossplatform application

App StoreGoogle Pay
App Design