Bedienungsanleitung Stevens Race - 2014 (Seite 55 von 81) (Englisch)

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9.3.2. Mounting Forks with CRP Steerer Tube from the

STEVENS Frameset

The cutting of the steerer tube, the press fitting of the crown race and

the mounting of the fork into the frame are jobs for a mechanic. Have

this work done by an authorized dealer. An unauthorized mounting and

maintenance will render the warranty void. Be sure to strictly observe

each of the following instructions. Non-observance of these instructions

can result in a fork failure and lead to a crash with serious consequences.

• Be sure to use exclusively the cone mechanism supplied together with

the bolt and the cap as counter bearing for the adjusting bolt of the

headset. Do not use a star nuts and clamp mechanisms which are not

flush, they can damage the steerer tube.

few millimetres above the upper edge of the stem; it is therefore too

tight and damaged! Mount a spacer which is free of burrs above the

stem to enlarge the surface,

• STEVENS carbon steerer tubes are manufactured with fine tolerances.

For this reason the stems normally fit snugly on the fork steerer tube.

Do not mount stems that have play on the fork steerer.

• Do not apply any grease or oil on the fork steerer tube in the stem

clamping area! Use special carbon assembly paste to increase the

clamping force.

• Adjust the headset, as described in chapter “The Headset“.

• If you have strictly followed the above instructions, you will not need

high torque values for the clamping bolts. The recommended torque

value is 4 - 5 Nm depending on the stem type. Use a torque wrench and

approach this value gradually in steps (0.5 Nm increments). Check the

tight fit of the stem relative to the fork by trying to turn the handlebars

relative to the front wheel.

Carbon and Framesets

• Be sure to only use stems with symmetrical outer clamping, i.e. the

clamping should be provided over the entire circumferential surface.

Stems which are clamped in an asymmetrical way can damage the

steerer tube.

• The stem clamping area must be free of burrs and the fork steerer must

have enough support inside the stem. Stems with many recesses in the

clamping area or with a recess in the clamping area pointing towards

the stem are not suitable. The steerer tube possibly comes out only a

• If there is no extra long nut delivered with the fork, use the sleeve nut

supplied by the brake manufacturer for brake mounting. Make sure the

nut has a minimum grip of 8 turns at least!

Danger:

Observe the catches at the

drop-outs and do not remove

them. These catches are

designed to prevent the front

wheel from loosing in case the

quick-release fails.

Danger:

Do not use a star nut as coun-

ter bearing or a stem system

without counter bearing

(expander cone design).

Note:

We recommend that you

use stems that are especially

designed for carbon steerer

tubes, e.g. from Oxygen or

Deda.

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