MTB Reach Calculator
Calculate your ideal mountain bike reach and geometry
centimeters (cm)
centimeters (cm)
centimeters (cm)
Ideal Reach
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Stack Height
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Frame Size
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Stem Length
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Geometry Tips
- Long reach = more stability
- Short reach = more agile handling
- Consider handlebar width
- Check standover height
Style Adjustments
- Trail: Balanced geometry
- Enduro: Longer reach
- XC: Moderate reach
- DH: Longest reach
Comfort Factors
- Test different positions
- Consider rise of bars
- Check arm extension
- Maintain neutral spine
Here’s a comprehensive table summarizing key points about MTB reach:
| Aspect | Details |
|---|---|
| Definition | Horizontal distance from bottom bracket to top of head tube |
| Importance | Determines bike length when standing, affects handling and stability |
| Longer Reach | More stability at high speeds, better for descending |
| Shorter Reach | More agile, easier to maneuver in tight spaces |
| Adjustability | Can be fine-tuned with stem length and handlebar position |
| Relation to Riding Style | XC bikes tend to have shorter reach, Enduro/DH longer reach |
| Sizing Guide (approximate) | 5’2″-5’6″: 410-450mm 5’6″-5’10”: 430-470mm 5’10”-6’2″: 450-490mm 6’2″+: 470-510mm |
| Factors Affecting Fit | Rider proportions, flexibility, riding style preferences |
| Interaction with Other Geometry | Works in conjunction with stack, seat tube angle, and head tube angle |
| Modern Trend | Bikes are getting longer in reach for increased stability |
| Personal Preference | Some riders prefer longer or shorter reach based on feel |
| Test Method | Stand on pedals with arms at sides; should reach bars comfortably |
Remember that reach is just one aspect of bike geometry, and the best fit depends on various factors including personal preference and riding style.