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Dyno mountain bike with a braking noise

I have a dyno bike is an mountain bike type, is making a krit noise it sound like the frame is braking.......

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If it is when you pedal, check the bottom bracket (where the cranks are attached) The bearings might need changing which would cause the noise.

Do the handlebars rock back and forward, if so, check and tightent the headset, check the bearings inside if they are dry or broken, replace and re-grease.

Posted on Jul 08, 2010

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Posted on Jan 02, 2017

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Adjusting brakes on relaigh bmx


Vist the Raleigh (note the spelling) website amd download the Single Speed Manual. Page 13.

http://www.raleighusa.com/downloads/owners-manuals/

You could also use any Search Engine and enter "adjusting brakes on bmx bike" for video instructions.

Jul 07, 2011 | Mountain 3 Raleigh Bikes Bmx Road Frame...

1 Answer

Hi, I owned a 2011 Trek 7.6FX. So far the bike has been good and in stock condition but I was wondering: 1. If I could use a fatter tires like LT2 or LT3 if I were to hit the track. The 700x28c...


"Track"??? Do you mean "trail", as in REAL off-road rocks-n-roots singletrack?

Ah, the 'compromise' bike dilemma. This is NOT a mountain bike frame nor are the wheels designed for hard hits. But you could try to make it work for light-duty trails.

http://en.wikipedia.org/wiki/Bicycle_wheel

1. They make all kinds of rubber for 29ers which use the same rim size. Search for 29er tires.

The frame and fork may limit how large a tire will have clearance. Being totally stiff (unsuspended) the off-road ride would be rough by today's MTB standards. Think: loose fillings and blurred vision, plus a lot of standing to survive the ride. That takes energy. But then there are those who have intentionally bought 'niners without suspension for some reason.

A REAL mountain bike would be a better choice, just as a REAL road bike might be for that activity if sustained speed is ever a going to be a goal.

2. Avid's make good brakes AND levers. Which end is the problem, I wonder. Pads also play a major part in stopping power.

May 27, 2011 | Trek 7.6 FX WSD

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Next mountain bike replaced brake pads but to tight. wheel won't spin


Take the wheel off and look carefully to make sure the rim is not touching the pads, then straighten the wheel making sure it isn't rubbing the frame anywhere. You probably need to adjust the cables to restore the cable length lost while compensating for pad wear.

http://www.parktool.com/blog/repair-help/linear-pull-brake-service-v-brake-type

Feb 21, 2011 | Cycling

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My diamondback mountain bike brakes need adjustment. the pads sit too close to the rim and rub constantly. how do i adjust the caliper so the wheel turns without interference? is there a document...


For brakes you need an instruction manual or repair book. Brakes are a little too complicated to explain in detail in a simple document. Although the service manuals for the brakes have a decent amount of explanation, they do not outline specific tools and other helpful information.

For the component owners manual you will have to visit that component companies website (ex. Shimano = (www.shimano.com) and look under tech documents.

For a good book, try Zinn and the art of mountain bike maintenance or The big blue book of repair from Park tools.

Side note: double check that your cable and housing is seated throughout its route from lever to brake, if the housing comes unseated from the frame stops it will shorten (tighten) the brakes, Also check to see if you have any adjustment at the lever to reduce the tightness of the brake cable (there should be a knurled nob at the end of the lever where the brake comes out, if that is screwed out away from the lever this will shorten (tighten) the cable tension, screw it back into the lever. Finally you can loosen the cable at the brakes, opening them up, then retighten to make the brakes work.

Dec 13, 2010 | Diamondback Outlook 26" Mountain Bike

1 Answer

My local HD dealer just installed a HD race tuner, a air cleaner kit and a set of Vance+Hynes true dual exhaust and dyno-tuned on my 2008 Road Glide, $1600.00 parts+labor . I bought the bike from them used...


Take it to another dealer. Dealers usually will not warranty any type of performance work. I find it difficult to see why the exhaust would cause the vibration. Just make sure the exhaust is supported properly to the frame. I would however suspect the race tuner. If the tuner is not adjusted correctly it will cause the engine to run poorly. It may even cause the engine to overheat. I'd suspect the igniton timing. Take it to another dealer or to an aftermarket that has a "good dyno man".

Now, there are two types of dyno-tunes. One, is actually not a dyno tune but more of a dyno run up. Regrettfully, this is what most dealers do. They install a bunch of stuff and then put your bike on the dyno, run it up, and get a print out of the horsepower and torque, that's it. This is simply a run up. The charge us usually about $35 - $50 or so.

Now a true dyno tune is totally different. The run up is just the beginning to establish a baseline. Then changes are made to your race tuner, intake, fuel map, timing settings, and exhaust to get the highest horsepower and torque out of your bike. You are usually charged "X" amount of dollars to begin with and then some much per hour. I've seen a good dyno man work on a bike for several hours changing jetting and such on the bikes and believe me, if the guy does what he's supposed to do, you can feel the difference. Bad part is a "good dyno man" is very hard to find.

Good Luck
Steve

Nov 08, 2010 | Harley Davidson FLTR-FLTRI Road Glide...

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I just replaced my offroad tires on my bike with road tires. Now I have a small, but noticeable, vibration in the pedals when I ride. Is this a derailleur issue?


It could be a d-rail, but also could be spokes, chain rub, wheel hitting a brake pad, tire clearance at frame, bearings.
Put your bike upside down so you can turn the pedals while you check for where this may be coming from.
Take your time... these noises can "telegraph' thru the frame and fool you so look for visible signs, use a little chain lube, oil , etc and you'll be able to pin point your noise.
I had an issue on my high end road bike.. a clicking while pedaling uphill...very annoying... turned out to be the added pressure caused the rear wheel spokes to click at the crossover point... a little heat shrink tubing did a nice alteration without a spoke pressure increase... So look around , start eliminating the possiblitites and you'll find it!

Sep 02, 2009 | Mountain Bike Bicycle Derailleur Hanger...

1 Answer

X-cross mountain biker-brakes


this is something you need to take up with your local bike shop

Apr 12, 2009 | Mountain Sram Pg 950 11-32 Cassette...

1 Answer

Bicycle Brakes Problem


First thing to check with a such a brake problem is your brake pads these are the two cushion like
things that cling to the wheel once you press the brakes.
If they are worn you should change them.

Sometimes after rainy days or riding throw water the brakes also make noise.
Let us know how it went.

Oct 29, 2008 | Mountain Best Bikes NFL Michigan U 26-Inch...

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