The most important consideration to make as you decide which frame to go for is the effective top tube length: the distance from the head tube to the seatpost on a bike with a sloping top tube, or simply the length of the top tube on a road bike with traditional geometry.
Is it better to get a bigger or smaller mountain bike frame?
If your arm span is longer than your height, go for a bigger frame. If it’s shorter, get the smaller one. On a bigger bike, the reach to the handlebars will be longer. If you have proportionally longer arms, you are likely to feel more comfortable on a bigger frame.
How is Mountain Bike reach measured?
Reach. Reach is the horizontal distance from the center of the head tube to a vertical line that runs through the center of the bottom bracket shell. This measurement represents how a mountain bike fits when you’re standing up on the pedals, like when you’re descending.
Is bike size based on top tube length?
This is the length from the head tube to the seat tube and is the measurement most brands base their sizing around. If you have a bike with a top tube that is too short or too long, small deficits can be remedied with a new stem of different length.
What is the top tube size?
PERFORMANCE ROAD BIKE
| PERFORMANCE ROAD BIKE | ||
|---|---|---|
| Frame Size | 38cm | 56cm |
| Suggested Rider Height | 4’11”-5’1″ | 5’9″-6’1″ |
| Top-Tube Length, Horizontal | 516mm | 550mm |
| Seat-Tube Length, B-B Center to mid top tube | 340mm | 520mm |
How do you know if a mountain bike is too big?
If your back, shoulders, or wrists ache after a ride, that could be a sign that your bicycle frame is too big. But don’t head straight for a smaller frame—especially if you don’t have those symptoms. A larger frame works better for some riding styles. A bigger frame allows for looser handling, which some people prefer.
What is top tube length?
The effective top tube length is the horizontal distance from the top tube/head tube junction to the seat tube. This measurement has become significant as more and more bikes are designed with sloping top tubes. Effective top tube length is one of three options for defining the length of the front triangle.
Is reach or top tube length more important?
This number is useful for identifying how long a bike will feel while in a seated position. Reach is newer way to measure a bike’s length. So Reach measures your cockpit anytime you’re standing and Effective Top Tube measures your cockpit only while seated with your saddle at a specific height.
What is effective top tube length?
What is the best top tube length for a mountain bike?
However, the effective top tube length remains constant at 561mm. Since both bikes will place the rider in the same position (given the same overall saddle height), effective top tube length is the more consistent way to compare the two.
Do bikes come in different sizes based on seat tube length?
While a select few brands, like De Rosa, still size their bikes based on seat tube length, most use the top tube length, if they haven’t opted for t-shirt style small/medium/large sizing. Seat tube length is still relevant, however, as it provides an insight into a bikes standover height.
How do you know what size snowboard you need?
Through years of experience, snowboarders have developed many ways to find the size snowboard they think may be correct. Some still use the traditional sizing method of standing a board up on end and measuring to their chin and others by using various snowboard sizing calculators and formulas.
How to choose the right size mountain bike for You?
The best place to start when trying to choose the right size mountain bike is by looking at a size chart. Our bike size chart here is a good baseline, helping you find the right size bike for your height.
