Bedienungsanleitung Scott Trekking - 2016 (Seite 40 von 80) (Englisch)

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TREKKING AND TREKKING-PEDELEC | ORIGINAL OPERATING INSTRUCTIONS 2017ORIGINAL OPERATING INSTRUCTIONS 2017 | TREKKING AND TREKKING-PEDELEC

| 78

Provided that it is serviced regularly, the drive chain has a comparatively longer

service life. And this applies even more if it is protected from the influences of

the weather by a sealed chain box.

With multi-speed hubs normally the power transmission and the gear ratio

adjustment is guaranteed via one or several planetary gears, depending on the

number of gears. To change gears the pedal force should be reduced shortly.

In contrast to derailleur gears, multi-speed hubs cannot only be combined

with manually actuated brakes (rim, drum, roller or disc brakes), but also with

back-pedal brakes (f) (roller or drum brakes) that are actuated by a reverse

rotation of the pedals. The best braking power is achieved with the pedals on a

horizontal level.

In the case of multi-speed hubs and gearbox shift systems “1” stands for the

first, lowest gear. The gears are shifted through one after the other, if possible

without turning the pedals, at least, however, at reduced pedal pressure. The

highest number stands for the highest gear.

NuVinci N360 gear hubs are designed to allow stepless shifting by means of a

twist grip within their range of gear ratio. With the NuVinci hub the force trans-

mission is ensured by balls instead of toothed wheels. Make it a rule to shift only

while pedalling at reduced force.

With NuVinci the actual gear ratio is indicated to the cyclist on the display. If the

cyclist climbs uphill, the gear ratio is low, on level ground the gear ratio is high.

The H-Sync gear system integrates the NuVinci Harmony® gear hubs into the

Intuvia system of its Bosch drive. With H-Sync you can predefine your preferred

cadence (between 30 and 80 turns per minute). The drive readjusts automat-

ically – both uphill as well as downhill. This allows you to always maintain your

preset cadence.

For more information see the manuals of the component manufacturers on this

SCOTT info CD.

Adjusting the front derailleur

The range within which the front derailleur keeps the chain on the chainring

without itself touching the chain is very small. If the chain tends to jump off the

chainring, you will need to reduce the movement range in the same way as with

the rear derailleur, i.e. by turning the limit screws marked “H“ and “L“ (a). The

limit screws are adjusted by your SCOTT dealer. They do not alter their position

during normal use.

As with the rear derailleur, the cable of the front derailleur (b) is subject to

lengthening which leads to a reduced precision in gear changing. If necessary,

shift to the small chainring and increase the tension of the Bowden cable by

turning the adjusting bolt through which it passes at the entry to the gear shifter

(c).

DANGER!

Always check after an accident whether the guide plates of the front derail-

leur are still parallel to the chainrings. Make sure they do not touch the large

chainring which would block the drive. Risk of accident!

DANGER!

Adjusting the front derailleur is a very delicate job. Improper adjustment

can cause the chain to jump off, thus interrupting the power train. This can

cause a fall!

CAUTION!

Do a test ride in a place free of traffic, after adjusting the gears of your

bicycle.

MULTI-SPEED HUBS (INTERNAL GEAR HUBS)

Operation and control

The advantages of multi-speed hubs (d+e) are their enclosed design. Unlike de-

railleur gears the gear drive is within the hub body, only the primary ratio from

the chainring to the sprocket being outside. What is more, all the gears can be

shifted through with one gear shifter.

b ca e fd

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Scott Trekking - 2016 Seite 40

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