Manual Bergamont Pedelec 2016 (page 48 of 87) (English)

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MTB-PEDELEC | ORIGINAL OPERATING INSTRUCTIONS 2016 ORIGINAL OPERATING INSTRUCTIONS 2016 | MTB-PEDELEC

b ca e fd

ENGLISH

Modern BERGAMONT mountain bikes can have up to 33 gears. As there are,

however, overlapping ranges, actually 15 to 18 gears are usable. It is not advis-

able to use gears which involve an extremely oblique run of the chain, as this

reduces power transmission efficiency and hastens wear of the chain.

The chain runs unfavourably when the smallest chainring is used with one of the

two or three outermost (smallest) sprockets (b) or when the largest chainring is

used with one of the inmost (largest) sprockets (c).

The bottom bracket (d) is the interface between cranks and frame. There

are different designs, in some cases the bearing spindle is part of the bottom

bracket, in some other cases it is integrated into the right crank. Sealed bottom

brackets are maintenance free and delivered without play ex works. The bottom

bracket in the frame must be checked for play at regular intervals.

Also check at regular intervals whether the cranks are firmly attached to the

bearing spindle or whether there is play. Grab the crank and try to jiggle it force-

fully. It must be absolutely free of play (e). If you notice any play, contact your

BERGAMONT dealer immediately.

Depending on the gear system, gear shifting is initiated by actuating a shift

lever, a brake and shift lever unit or by a short turn of the wrist with twist grips.

Continue pedalling during gear shifting, however, at reduced pedalling force.

Please find below the principles of the shift lever types and their operation. It is,

however, also possible that your new BERGAMONT bike has a gear system that

is not listed below.

With shift levers pressing the large shifter (f) (thumb shifter) normally moves

the chain towards the larger chainrings/sprockets.

That means that any gear shift with the right thumb produces a lower gear. This

is an indexed shifting system with the option of shifting several gears with one

action. Actuating the large thumb shifter on the left produces a higher gear.

DANGER!

Continue pedalling at reduced cadence during gear shifting, however, at

clearly reduced pedalling force. In particular when shifting through the

chainrings continue pedalling slowly and without force.

DANGER!

With BERGAMONT pedelecs reduce the cadence and the pedalling force

shortly before you start shifting. In doing so there is a short interruption of

the drive. If you continue pedalling, the high chain forces could result in a chain

failure.

CAUTION!

Practise switching gears in a place free of traffic until you are familiar with

the functioning of the levers or twist grips of your BERGAMONT bike.

NOTE!

BERGAMONT pedelecs have only one chainring (a). As a consequence

there is no front derailleur and no shifter on the left handlebars.

NOTE!

Read the gear manufacturer’s manual on this BERGAMONT info CD careful-

ly and practise shifting gears until you are familiar with it before you set off

for the first time.

Operation and control

Derailleur gears always work according to the following principle:

Large front chainring – high/heavy gear – higher gear ratio

Small front chainring – low/easy gear – lower gear ratio

Large rear sprocket – low/easy gear – lower gear ratio

Small rear sprocket – high/heavy gear – higher gear ratio

Normally, the shifters are mounted as follows:

Shift lever right – rear sprockets

Shift lever left – front chainrings

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Bergamont Pedelec 2016 Manual

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