Mountain Bike Size Chart
Find the perfect mountain bike size based on your height and riding style.
Standard Mountain Bike Sizing Chart
Let's find your perfect mountain bike size
Frame Size | Rider Height | Inseam | Reach | Standover |
---|---|---|---|---|
XS | 152-162cm | 68-73cm | 400mm | 710mm |
S | 162-170cm | 73-78cm | 420mm | 730mm |
M | 170-178cm | 78-83cm | 440mm | 750mm |
L | 178-185cm | 83-88cm | 460mm | 770mm |
XL | 185-193cm | 88-93cm | 480mm | 790mm |
Mountain Bike Categories
Cross Country (XC)
Optimized for speed and climbing efficiency
- Steeper head angles (67-69°)
- Longer reach for aggressive position
- Lower standover for quick dismounts
Trail
Balanced geometry for all-around riding
- Moderate head angles (65-67°)
- Mid-range reach for comfort
- Balanced standover height
Enduro
Focused on descending capability
- Slack head angles (63-65°)
- Shorter reach for maneuverability
- Higher standover for clearance
How to Use This Chart
To find your ideal mountain bike size:
- Measure your height and inseam length accurately
- Determine your primary riding style (XC, Trail, or Enduro)
- Find your measurements in the chart above
- Consider sizing up or down based on riding style
Remember that this is a general guide. Modern mountain bikes often use different geometries based on their intended use. XC bikes might run larger, while enduro bikes might run smaller for better maneuverability.
Pro Tip
Consider test riding different sizes if you're between sizes. Modern mountain bikes have longer reach numbers than older bikes, so you might prefer a size smaller than the chart suggests, especially for technical riding.