Jak zmierzyć rozmiar ramki E-MTB: Freesky Fit Guide for UE jeźdźców
MAY 09, 2025
Selecting the correct electric mountain bike (e-MTB) frame size is crucial for comfort, control, and safety—especially when considering powerful fat-tyre models. This guide explains how to measure e-MTB frame dimensions, including seat tube length, reach, and standover height, in both centimetres and inches. We'll also provide a FREESKY e-MTB size chart and highlight the advantages of 26″×4″ fat tyres, using FREESKY's models: Warrior Pro M-530, Alaska Pro M-520, and Ranger M-540.
Measuring Your E-MTB Frame
Seat Tube Length
Measured from the centre of the bottom bracket to the top of the seat tube, this length influences your leg extension while pedalling. For example, a 17″ (approximately 43 cm) seat tube suits riders around 170 cm tall.
Reach
This is the horizontal distance from the bottom bracket to the top centre of the head tube. It affects your riding posture and control. A longer reach offers a more stretched position, while a shorter reach provides an upright posture.
Standover Height
The vertical distance from the ground to the top of the top tube. Ensure there's at least 2–3″ (5–8 cm) clearance between the top tube and your body when standing over the bike.
FREESKY E-MTB Size Reference
FREESKY's fat-tyre e-MTBs share the 26″×4″ tyre platform but have distinct geometries:
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Warrior Pro M-530: Seat height 88.9–101.6 cm; reach 45 cm; standover height 68.8 cm.
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Alaska Pro M-520: Seat height 80–103.4 cm; reach 45.7 cm; standover height 51.8 cm.
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Ranger M-540: Seat height 86.4–99 cm; reach 40.6 cm; standover height 45.7 cm.
These measurements help match riders to the appropriate frame size based on their height and riding preferences.
Rider Height vs. Frame Size Chart
| Rider Height (cm) | Suggested Seat Tube Length (cm) | Suggested Seat Tube Length (in) |
|---|---|---|
| 147–158 | 33–36 | 13″–14″ |
| 158–168 | 38–42 | 15″–16″ |
| 168–178 | 43–46 | 17″–18″ |
| 178–185 | 48–51 | 19″–20″ |
| 185–193 | 53–56 | 21″–22″ |
This chart serves as a general guideline. For precise fitting, consider your leg inseam and reach preferences.
Advantages of 26″×4″ Fat Tyres
FREESKY's e-MTBs are equipped with 26″×4″ fat tyres, offering:
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Enhanced Comfort: The larger volume allows for lower tyre pressures, absorbing shocks and providing a smoother ride.
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Superior Traction: The wider contact area ensures better grip on various terrains, including snow, sand, and mud.
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Improved Stability: Fat tyres offer greater balance and control, especially at lower speeds or on uneven surfaces.
By understanding how to measure e-MTB frames and considering FREESKY's specific models and features, you can make an informed decision for a comfortable and enjoyable riding experience across Europe's diverse terrains.
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