September 30, 2019

One of the indications of gear getting worn is,

the amount of the play (or absorbance, allowance).

Here's how to measure it.

https://youtu.be/wURJGjUpQYE

0) parking brake on

1) stick a piece of masking tape onto differential gear, covering the line

2) hold a pen, pointing on...

September 30, 2019

Have you ever experienced while you are pedalling COGY, the slippy movement when you push the pedal with your full strength? It often happens on incline slopes. Also with a person with good strength, but with difficulty controlling the movement.

Every time the pedalling...

September 30, 2019

If the caster wheels are damaged, this will annoy your pedalling, too.

when you pedal over dented surface, you will more likely get stuck onto the dent, instead of riding over them enjoying the noise and bumping shock.

Checking the caster wheels

1)Is the horizontal spin s...

September 30, 2019

If you feel steering is harder than usual, tyre may be getting flat.

There are 3 sizes in COGY line-up, L M S.

Each model has 3 inflated wheels, 2x front, 1x rear.

Find the correct pressure for each tyre in the table below.

The rear tyre of M and S size models is very tric...

September 30, 2019

Please check inside the steering unit (the black plastic cup). 

1 (or 2) of the 2 columns guiding the steering wire may be damaged.

click to video 

To take the black cup off, undo these 2 screws.

You will have to take the steering metal bar first.

Use the zipper plastic bag...

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