Merida Bike Instructions d'exploitation télécharger pdf (Page 66)

Tire puncture

Flat tires are the most common cause of puncture during

cycling. However, as long as you have the necessary

tools and a spare tube or a repair kit, this need not mean

the end of your cycle ride. If your wheels are attached

with quick-releases to the frame and the fork, you only

need two tire levers and a pump

(a)

Before removing a wheel, read the chapters

“Mounting wheels” and “How to use quick-re-

leases and thru axles”. If you are in doubt or

if you have any questions, contact your MERIDA dealer.

Dismounting wheels

If your bike has mechanical rim brakes (cantilever and

V-brakes) you ﬁrst have to unhook the brake cable from

the brake arm

(b)

. To do this, grip the rim with one hand

and press the brake pads and/or arms together. In this

position the usually barrel shaped nipple of the lateral

brake cable or the brake hose (of V-brakes) can easily

be disengaged.

If you have disc brakes (hydraulic or mechanic), check

the position of the brake pads through the inspection

window

(c)

. In this way you will be able to tell later

whether the brake pad is still in its proper position. Read

the operating instructions of the brake manufacturer on

this MERIDA CD-ROM.

If you have derailleur gears, you should shift the chain

to the smallest sprocket before removing the rear wheel.

This shifts the rear derailleur right to the outside where

it doesn’t interfere with the removal of the wheel. Open

the quick-release of the wheel, as described in the chap-

ter “How to use quick-releases and thru axles”.

If you cannot remove the front wheel after releasing the

lever, this is due to the drop-out safety tabs. They come

as metal catches which engage with recesses in the

drop-outs. Just release the quick-release adjusting nut

a little and slip the wheel past the tabs. You will ﬁnd it

easier to remove the rear wheel, when you pull the rear

derailleur slightly backwards

(d)

. Lift your MERIDA bike

a little off the ground and give the wheel a light blow

with your hand so that it drops out.

Rotors can become hot, so let them cool

down before removing a wheel.

If you purchased a MERIDA bike with hy-

draulic disc brakes, never turn your MERIDA

bike upside down for repair work, i.e. with the

handlebars and saddle underneath, as the brakes will

fail otherwise.

Never pull the (disc) brake lever while a

wheel is removed and always make sure that

you ﬁt the safety locks

(e)

before removing

the wheel.

Observe the instructions of the brake and gear

manufacturers on this MERIDA CD-ROM.

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Merida Bike Instructions d'exploitation Page 66

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