How do you measure mountain bike rear?

How do you measure a rear wheel on a mountain bike?

“The best method for measuring frame travel may be to remove the shock and measure the vertical travel at the rear axle, with the suspension linkage at the full shock length, and at the shock bottom-out length (original eye-to-eye minus manufacturers specified shock stroke).

How do you measure the size of a mountain bike?

Mountain bikes are usually sized in inches, or using a S/M/L system. An MTB’s frame size is traditionally calculated by measuring the length of the seat tube, from the centre of the front chainring to the top of the tube (where the seat post inserts).

How is MTB sag measured?

To calculate your sag percentage, divide the static travel by the total length of the shock and multiply by 100. Most manufacturers recommend that you set your sag somewhere between 25 to 35 percent.

How do you measure rear shock mounting hardware?

One way to measure the width of the shock hardware is to measure the distance between the shock mounting tabs on the frame of the bike. To get the same measurement, you may also measure the width across the shock eyelet. Lastly, to find the shock bolt diameter, measure the inner diameter of the hardware eyelet.

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How much travel does my rear shock have?

Registered. the rear wheel travels 5.5inches. the shock travels 1.25 inches (called stroke). a bike’s travel is measured by how much the wheel moves, not the amount the shock moves.

What does rear wheel travel mean?

“Travel” refers to the actual distance the rear wheel can move when the rear suspension is compressed. This is different than “stroke.” Stroke refers to the distance that the shock’s shaft compresses.

Should my feet touch the ground on a mountain bike?

The height of your saddle is important for the most comfortable position and safe riding style. When you sit on the saddle, both feet should reach the floor and the balls of your feet should be touching the ground. … The handle bars on your bike should ideally be in line with your saddle or slightly above the saddle.

What are the sizes of mountain bikes?

Mountain Bike Size Chart

Rider Height (in) Rider Height (cm) Frame Size (in)
5′ 3″ – 5′ 6″ 159cm – 168cm 15″ – 16″
5′ 7″ – 5′ 10″ 169cm – 178cm 17″ – 18″
5′ 11″ – 6′ 1″ 179cm – 185cm 19″ – 20″
6′ 2″ – 6′ 4″ 186cm – 193cm 21″ – 22″

Is a 29 inch bike too big?

A 29er is often taller than a comparably sized 26-inch wheel mountain bike and may be too tall for smaller riders. … If you are under 5’6” tall, a 26-inch mountain bike is still likely to be a better fit. If you’re 5’6′ or taller, you should be able to find a 29er model to fit you.

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How is sag measured?

Sag is calculated by averaging L2 and L3 and subtracting it from fully extended. With a Sag Master there is no need to subtract since the tape was locked and zeroed at full extension. Note: FREE SAG is the amount the bike compresses with the weight of the bike only – no rider. Use the same method as outlined for Sag.

How much sag is trail riding?

The amount of recommended sag will vary depending on the type of bike that you ride. Typically, enduro/trail bikes fall between 25% – 35% recommended sag, while downhill bikes can be up to 40% recommended sag.

How do I set my SAG?

To change the sag, use a long punch and a large hammer to loosen the spring locking nut on the shock. 4. Then, turn the spring with your hand to adjust the rear spring preload. Make sure that when you’re turning the spring, the preload nut is also turning.

What is the best rear shock for a mountain bike?

  • Fox Float DPS 3-Pos Adj Factory: Best Overall. A gold standard XC shock that offers fantastic control. …
  • EXT V3 Storia Lok: Best for advanced riders. A stand-out shock that comes with a custom tune. …
  • Ohlins TTX: Best improved design. A fairly expensive shock that delivers structurally stiff, but sensitive performance.

What is a trunnion rear shock?

A Trunnion mount shock mounts the shock body directly to the linkage – there are two threaded holes on the shock body and linkage bolts thread directly into them. … A Trunnion mount shortens the overall eye-to-eye length of the shock while allowing it to have the same amount or more, of shock stroke.

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What is metric shock sizing?

“Metric,” as it’s referred to here, is actually a new set of sizes for rear shocks that have been agreed upon by several suspension and frame manufacturers. That means new eye-to-eye and stroke measurements in conveniently chosen increments of millimeters.

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