Can You Raise A 120 Mm Bike To 140?

by | Last updated on January 24, 2024

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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.

Is 150mm travel too much for a hardtail?

Those roots and rocks can ping you offline, despite being sure of your steering inputs. Too much travel can also dull the feedback of your trail bike. We recommend that a trail fork ideally have 34mm stanchions, at 130-140mm, for a 29er –

possibly, up to 150mm, for the smaller 27.5in wheel size

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Can you put a 130mm fork on a 120mm bike?


Nope. It will be fine and will take more than 10mm to make an appreciable change

. You might notice the handling difference, but it will be slight and won’t negatively affect anything.

Can you put bigger forks on a 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.

Can you put a 130mm fork on a 100mm bike?


at 130mm you’ll probably be fine, I wouldn’t put anything bigger on there

. The kona frames are pretty strong, I used to run a 130mm fork on my 100mm jump bike for AM and a lottle more FR riding, I was fine.

Can I put a 120mm fork on a 80mm bike?

120mm would be long for an XC frame that came with an 80mm fork.

I doubt the manufacturer would recommend this

, however lot’s of people do those kinds of swaps without significant issues. It is pushing the design limits of the frame, and if you’re pushing the limits of what the bike can do, you may run into problems.

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

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. You’re turning black metallic.

Is 160mm travel too much for hardtail?

It depends totally on your riding style and the intended use. For pretty much XC or dirt jump, go with a 100mm XC or dirt jump fork. For general trail riding a 120 to 130 would work well.

For AM to light Free ride a 140 to 160mm fork would be the ticket

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


There is no good reason to slap 140mm fork on a frame that is designed for 100

. It will no ride better and it may break, like many other already noted.

Is 120 enough to travel?

In addition, you’re not likely to notice much difference between a 120mm, 130mm, and 140mm fork. Honesty,

a 120mm fork is enough travel for most Trail riders

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Can you put a 27.5 fork on a 26 frame?

Condensed answer:

A 26-inch wheel can be easily installed on a 27.5 fork if both are disc brake ready

. If the fork uses rim brakes, however, the braze-ons would be a bit higher, and the calipers won’t catch the rim.

Can you put 29 inch wheels on a 27.5 fork?

Condensed answer:

Some 27.5-inch forks have the clearance to accept a 29-inch wheel

. However, the conversion makes the gap between the tire and fork’s arch noticeably smaller. As a result, the tire starts throwing more small stones and debris against the arch.

Can I put a 160mm fork on a 150mm bike?


A 160mm will probably slacken the bike a bit and make for a more stable DH experience at the expensive of climbing ability

. Running up to 180mm on a bike designed around 150mm will probably be too much, and make the overall handling poor and undesirable.

Is 80 mm of travel good on MTB?


80mm works just as well as the 100mm for most of the smaller bumps, roots, rocks, etc

. Bigger hits however, the 100mm is better. There is no disadvantage to the 100mm fork, but, I don’t think it’s massively better either.

What does 120mm travel mean?

travel is how far down the fork can compress (how much shorter it will get when it is pushed as far as it will go) like spawne said, short travell (usually 120mm or less) is for

cross country

, medium (130-160mm usually) is for trail, or all mountain riding. anything 160mm or more will be for downhill or freeride.

Can you put dual crown forks on a hardtail?

Some free-ride hardtails (such as the Bashee Morphine) have the geometry and frame strength needed for a 7+” dual crown fork, and some dual crown forks (notably the Maveric DuC32) are designed for all-mountain riding and

can be used on a suitable hardtail all-mountain frame

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How can I increase my fork travel?

Is 160mm travel too much for trail riding?


160mm of travel is only really needed if you’re hitting big hucks, or you’re smashing really long bouldery fast descents

. Do I need 160mm travel? 99% of the time, no.

How much travel is too much for a hardtail?

Pick a frame that is the way you want it for the travel you want. I would say

+-10mm

of travel is about the max you can get away with before you go too far in any direction. So if you like the geo at 120mm, don’t then stick 150s on it. Its not the same bike.

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.

Emily Lee
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Emily Lee
Emily Lee is a freelance writer and artist based in New York City. She’s an accomplished writer with a deep passion for the arts, and brings a unique perspective to the world of entertainment. Emily has written about art, entertainment, and pop culture.