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Raise bars on Trek Marlin 6

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Raise bars on Trek Marlin 6

Old 12-02-20, 10:01 AM
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Raise bars on Trek Marlin 6

I need to raise my bars a little on my ride. The bike has hydraulic brakes so I can't raise it very much. Maybe an itch or so. Is it best to get a new stem with a taller angle and less length or put an additional spacer in the stack? Is the bolt on the headset long enough to do so? I used a stem riser on another bike where the bars were always too low, it worked perfectly. My main concern is the brake lines.
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Old 12-02-20, 10:23 AM
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first: why do you want to raise the handlebar? are you absolutely certain that is going to be better for you? are you sure you have the correct size frame in the first place? I can't determine that for you, just want you to really think about what you need and not what seems obvious but might not be the right answer. IME, I kept trying to move my handlebar up to make the bike "comfortable" but it ruined handling. I solved this by improving my body- planks and lunges help a lot, so I could ride in a slightly more aggressive position. I never advocate for a full-on crouched bent over professional roadie aero position, but my attempt to set up a mountain bike like a grandpa beach cruiser was the wrong approach for me. YMMV.

how many spacers are there currently ABOVE your stem? if the answer is zero, you should not add spacers under the stem, as the stem is already at the top of the fork. doing so would result in not having enough the stem clamped to the fork.

you can get a handlebar with more rise—a more pronounced upward bend in the handlebar. the stock handlebar on the current Marlin 6 model is only 5mm, which is nearly flat. you would get something with 25-30mm of rise and that would have a noticeable difference. the new handlebar would probably be wider, but that's another story.

the other option is to get a stem with a more pronounced upward angle. while you're at it, you could consider a shorter length stem.

to answer your question about brake cables/hoses: no one can tell you if raising the bar will be too much for that part without seeing the bike in person. actually, it's unlikely that someone can tell you anything about it without actually making the change.

if you have trouble with cables being too short, one thing that can give you just a bit of extra length is to move the brake levers inboard on the handlebar, away from the grips. most bikes seem to have the shifters and brake levers jammed right up against the inward end of the grip, and this is not ideal for most riders. it puts the end of the brake levers and the shifters too far out and moving them in often improves ergonomics. it's very subjective and you'll have to experiment with what works for you, but I wanted to point out that it's on option.
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Old 12-02-20, 07:31 PM
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You should have enough hose for a couple of inches rise from stock. If not, you can re-hose the brakes. It takes a few tools but it's not hard. But the fit of this bike is part of its design and the style of riding it. If you need to move things inches from where they started you might not have the right bike. You are allowed to trade it in, it's just a bike, not a house
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