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Mongoose 20-Inch Gravity Games BMX Freestyle Bike - Page 3 Questions & Answers
Adjust rear shock(soften) mongoose ledge 2.1
Understanding Sag
In order to let the suspension work properly, we allow some of the rear-wheel travel to be used when supporting the rider's weight, this is called 'sag'. The basic idea is to have around 10-20% of your bike's total travel as sag. This allows the rear wheel to drop into dips in the trail and maintain contact and traction.
Adjusting Sag on Rear Suspension
Changing the amount of sag in the rear suspension is done by increasing or decreasing the spring rate of the rear shock. The rear shock's body is threaded and you will notice there is a nut on one end of the spring. Turning the nut in the direction that compresses the spring will increase the spring rate and reduce the amount of sag. Turning the nut in the direction that expands the spring will decrease the spring rate and increase the amount of sag. Never turn the nut to the point where there is space between it and the spring, this may cause damage to the shock.
How old is this mongoose bike Serial number HYEB00689
Google "mongoose serial number". That is what anyone here would have to do to answer your question. You may or may not be able to determine the age from serial number, but bike condition is far more important than age..
3 piece front crank set "size" for mongoose xr100
"Size of what? chainwheel, crank length, Bottom bracket spindle length? Not possible to say in any case, as manufacturer specs can change, even in a model year. Take to a bike co-op or bike shop for advice or search online for "replace crankset".
Tighten a chain on a2004 kymco 300 mongoose
Loosen rear axle nuts.
Pull back on the rear wheel until the chain is tight, then move forward just a bit and tighten both sides with your hands at the same time. Try to keep the wheel centered.
Tighten the right axle nut, center the wheel and then tighten the rear.
Turn the crank slowly. The chain should have slight play at the tightest point in the crank rotation.
If the chain is too tight or too loose loosen the right nut and move the axle forward or back, tighten and retest.
When tension seems OK loosen left nut and center the wheel, then retest. I’m happy to help further over the phone at
https://www.6ya.com/expert/donald_f2ed37026a3ac881
How do i grease the bearings on an mongoose xr 75 mtb
I have the Mongoose XR-100, I pulled all bearings. I clean all bearing races and repack with grease or replace BB. Its my first step in flipping bikes also. Makes a world of difference in the ride. Cheap bike or not.
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