Can I put a 120mm fork on a 100mm bike?

I have a 120mm fork for that bike for all-around riding and more marathon-type stuff, but for the intense shorter stuff, I’d rather keep it at 100. For all around riding, should be fine, but you may notice it’s a bit harder to keep the front wheel down on the steep uphills.

Can I put bigger forks on my bike?

In general, bikes will happily accept forks that are up to 20mm larger than their designers intended. Feel free to go beyond that if you must, but be prepared for a bike that the manufacturer didn’t really intend to create. That doesn’t mean it will suck, but it’s just something to be aware of.

Do all forks fit all bikes?

As with bike frame head tubes, the vast majority of fork steerers come in two sizes: 1 1/8th and tapered. Tip: you can run 1 1/8th steerer forks in tapered head tube bikes. But you will need to buy a special adapting headset.

Can I put 140mm forks on a 100mm bike?

Installing a 140mm fork on a frame designed for a 100mm fork with slacken the head tube angle by almost 3 degrees. So if the head tube angle is 71 degrees, you will make it closer to 68 degrees – great for downhill stability, but will affect other handling characteristics of the bike.

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How do I know if a fork will fit my bike?

The main thing you need to look for is the steerer size. Most Mtb headtube is 1.1/8″, a few are 1.5″ or the combo of the two, tapered steerer. So as long as the fork is 1.1/8″ you are good to go.

Can I put 140mm forks on a 120mm bike?

Going from 120 mm up to 140 mm should be perfectly fine. It will probably give you 1 degree of slack angle to your front end and raise your bb height by possibly 1/2″. Going up to 160 mm on your fork would be really pushing the limit in my humble opinion.

How do I know my fork size?

The length of the fork is usually measured parallel to the steerer tube from the bottom of the lower bearing race to the center of the front wheel axle. A 1996 survey of 13 700c road forks found a maximum length of 374.7 mm and a minimum of 363.5 mm.

Can I put a 29er fork on a 26 bike?

It would work, but there would be no benefit to it at all. It would probably just mess up the bikes geometry and add weight. You would only get more travel if the fork you put on has more travel than the one its replacing.

Can you put downhill forks on a hardtail?

you can always do downhill on a hardtail you dont have to pull the speed you normally would on a dh bike. but like another member said on the singletrack you glide away. and about frames breaking you dont really change the head angle that much with a 6 inch fork. a talas would be sick.

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Is 100mm travel enough?

A 100mm full suspension 29er is going to be able to shred anything you can throw at it for a long time. That’s a good amount of travel to start with, and on a 29er it’s going to feel like even more while staying efficient. The epic has a really well balanced geometry as well.

What does 100mm travel mean?

I just wanted to add that mm stands for millimeter (as mentioned by Chain Brain) and the conversion is this: 1 inch equals 25.4 millimeters. This means that a 100mm travel fork will compress roughly 4 inches.

How much does Fork travel affect head angle?

Over-forking

Bumping the fork travel up by 20mm, to 150mm, will slacken the head angle by approximately 1° and increase the front centre measurement by 10mm.

Can you put 29 fork on a 27.5 bike?

Using a 29’r fork allows you a wide range of 27.5 tires. As the axle is also higher, you need to really consider the Ground to Crown height rather than the axle to ground height. Also as the 29er is a larger diameter wheel, it may not clear the down tube, and may interfere with the feet when the pedals are horizontal.

How do I know what size axle I need for my bike?

For a front thru-axle, this is measured from the inside to inside of your fork. For a rear thru-axle, this is measured from the inside to inside of your frame at the drop-outs. The O.L.D. measurement is listed for many thru-axles, but isn’t necessary if you know the overall length.

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