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9
INSPECTING THE WHEELS
The wheel size depends on the purchased model:
1. 12"
– wheel diameter: 203 mm + tire
2. 14"
– wheel diameter: 254 mm + tire
3. 16"
– wheel diameter: 305 mm + tire
4. 20"
– wheel diameter: 406 mm + tire
Wheel components:
Hub
Cassette (on the rear hub)
Brake disc (if the bike has disc brakes)
Spokes
Rim
Tire
Tube (there are models without them)
Rim protection strap
INSPECTING THE CONNECTION OF THE WHEELS
Try to shake both wheels in every direction. The wheels cannot be loose and there shouldn’t be any
strange noises, e.g. creaking.
INSPECTING THE RIMS
The wheels should not be dirty. They especially shouldn’t be covered in oil. Remove oil stains
immediately.
Check the rims for wear and replace them if necessary.
There should be no scratch marks or striations. Check the rim by tracing your nail along the brake area.
If you discover any unevenness, consult the seller.
Lift up the front and rear wheel, spin them and check the distance between the rim and brake pads (rim
brakes) or between the rim and the fork (disc brakes). Maximum deviation is 1 mm, otherwise it is
necessary to centre the wheel.
You need specific tools and skills to inspect the bike as described above. It you are not experienced in
this area or don’t have the necessary tools, request assistance from the seller.
INSPECTING THE TIRES