BIKE SIZING CHART (Individual Fit May Vary)
BMX Race Bike Sizing Guide
Choosing the correct BMX race bike size is critical for performance, comfort, and safety. BMX race bikes are sized by top tube length, not seat tube height.
20” BMX Race Bike Sizing Chart
| Rider Height | Frame Size | Top Tube Length |
|---|---|---|
| 3'6" – 4'0" (107–122 cm) | Micro Mini | 15.5" – 16.5" |
| 3'10" – 4'4" (117–132 cm) | Mini | 16.5" – 17.5" |
| 4'2" – 4'8" (127–142 cm) | Junior | 17.5" – 18.5" |
| 4'6" – 5'0" (137–152 cm) | Expert | 18.5" – 19.5" |
| 4'10" – 5'4" (147–163 cm) | Expert XL | 19.5" – 20.25" |
| 5'2" – 5'6" (157–168 cm) | Pro | 20.25" – 20.75" |
| 5'5" – 5'9" (165–175 cm) | Pro XL | 20.75" – 21" |
| 5'8" – 6'0" (173–183 cm) | Pro XXL | 21" – 21.5" |
| 5'10" – 6'3"+ (178–191+ cm) | Pro XXXL | 21.5" – 22"+ |
24” Cruiser BMX Sizing Chart
| Rider Height | Cruiser Size | Top Tube Length |
|---|---|---|
| 4'8" – 5'2" | Junior Cruiser | 19.5" – 20.5" |
| 5'2" – 5'8" | Pro Cruiser | 20.5" – 21.5" |
| 5'7" – 6'1" | Pro XL Cruiser | 21.5" – 22.5" |
| 6'0"+ | Pro XXL Cruiser | 22.5" – 23.5" |
How to Choose the Right Size:
• BMX race bikes use 20” wheels (standard class) or 24” wheels (Cruiser class).
• Frame size is determined by top tube length.
• Between sizes? Choose smaller for quicker handling, larger for more stability.
• Growing riders often size slightly up.
• Brand geometry may vary slightly.
• BMX race bikes use 20” wheels (standard class) or 24” wheels (Cruiser class).
• Frame size is determined by top tube length.
• Between sizes? Choose smaller for quicker handling, larger for more stability.
• Growing riders often size slightly up.
• Brand geometry may vary slightly.
Not sure what size you need? Send us your height and current bike size and we’ll recommend the best setup.