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Change bearings on gary fisher mamba 3 piece crank

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You need special tools to get the crank arms off and for the bottom bracket if you don't have them you are better off taking it to a bike shop

Posted on Jul 26, 2013


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Which Gary Fisher bike is this?

If the model is not on the frame it will be difficult to identify the model. Try a bike shop to get some idea, can also search BikePedia, but will need to be able to identify components (brakes, derailleurs, cranks, etc.) by model name.

Apr 21, 2016 | Gary Fisher Cycling

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How to change ball bearings on a crank assembly

Remove the pedals and remove the cranks. On one side there should be a nut and a disc with either two holes, or a disc with two notches in it. You use a bike wrench to unscrew and inside you will see the ball bearing races and the balls beneath them.

This video shows how on a one piece crank. Rather than cleaning the old bearing seats use WD40 as a solvent and use kitchen towel or a clean rag. When reassembling use lots of grease and make sure it is pressed into the gaps between the balls. It is a good idea to use disposable vinyl gloves.

how to change crank bearings on bicycle

Sep 22, 2015 | Cycling

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How do I convert my Gary fisher Tassajara from triple crankset to single . do I need to change the bottom bracket and what crankset would best suit ?

You can get a bottom bracket with a shorter spindle in order to move the single chainring closer to the center of the bicycle. This will allow the chain enough leeway to move from high to low without affecting the chain line.

Any single speed crankset will suffice. It's a matter of budget.

Jan 05, 2015 | Gary Fisher Cycling

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How do i fix crank bearings on a mongoose rebel freestyle?

Usually takes special tools. The pedals should be removed, the crankset is either a single arm or a 3 piece unit. If its a single, remove large nut on one side of the crank, usually the left side. Then remove the inside cone, the bearings are visible and should be removed. The last is the crankarm itself. It will only come out if thew left side bear is removed. Twist it gently and it usually comes out at the 3 o'clock position.
If its a 3 piece crankset, special tools are need to remove. SAuggest you take it to the nearest bike shop.

Oct 07, 2014 | Mongoose Rebel Bicycles

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What year my bicycle is?

your best bet is to take it to a Gary Fisher or Trek dealer (Trek owns Gary Fisher, Bontrager and Klien) They should be able to quickly tell you what year it is.

Aug 15, 2014 | Gary Fisher Cycling

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Year gary fisher wahoo bike was made Find your serial number and go to this site. You should find it there.

Oct 04, 2012 | Gary Fisher Wahoo

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Crank set replacement. Trying to replace the crankset due to a stripped crank arm. What crank is compadible to replace it with?

The only guarantee for an exact match width-wise is to use the same make and model of the crank you're replacing. A change in the given bottom bracket and crankset pairing will almost always yield some difference. Bike shops seem to have a way of determining a starting point for it but my own experience with them is that trial and error plays into it. If you change crank brands you may have to also change the length of the BB to get the same effective pedal dimensions.

Sep 15, 2011 | Gary Fisher PreCaliber 24

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Change bike pedals

You need a 15mm wrench. Right pedal is threaded as normal. The left pedal is threaded backwards. (righty loocy lefty tighty.) there should be wrench flats where the pedals go into the crank arms. When istaling new pedals, put some white lithium grease on the threads. Be careful not to hit your knuckles on the ground when it comes undone.

Jul 23, 2011 | Gary Fisher Hoo Koo E Koo

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Rear axle has lateral movement

Bring it to a shop (a shop is a place where the employees ride. Don't go to a bike *store* where the employees are just retail associates without much knowledge). The bearing is either loose or wrecked. If you've ridden it while loose it'll probably need to be replaced.

Apr 29, 2011 | Gary Fisher Superfly

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