Ax-lightness engage Operations Instructions download pdf (Page 35)

FORK  HEADSET .................................................65

Forks ..............................................................67

What to bear in mind with carbon steerer forks ............................67

Mounting forks with threadless carbon steerer ............................68

Headset ...........................................................72

General notes on mounting and compatibility ............................72

Checking the headset .....................................................73

Headset maintenance .....................................................74

Forks

What to bear in mind with

carbon steerer forks

Carbon steerer tubes (e) are in general among the

most delicate bicycle components. For this reason

any work on AX-Lightness and engage forks requires

a lot of expert knowledge and greatest attention.

This kind of work is best left to your AX-Lightness and

engage dealer.

The stem clamping area must be free of burrs and

the AX-Lightness and engage fork steerer must have

enough support inside the stem (f). Stems with many

recesses in the clamping area or with a cut-out in the

clamping area pointing towards the stem are not

suitable. The steerer tube clamp must be closed, i.e. it

must be free of any recesses.

AX-Lightness and engage carbon steerer tubes are

manufactured with ne tolerances. For this reason

the stems normally t snugly on the fork steerer tube.

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

AX-Lightness and engage carbon steerer tubes must

remain free of grease, otherwise a reliable and suf-

cient clamping of the stem is not achieved. In this

case you would require high torque values damaging

the steerer tube or the stem and resulting in a failure.

Degrease the stem and the fork with benzine or spirit,

if necessary. Apply AX-Lightness and engage carbon

assembly paste subsequently (g)!

AX-Lightness recommend that you use Tune

gumgum expanders (h).

Other pre-load mechanisms acting as counterbear-

ing for the adjusting bolt inside the fork steerer are

often delivered without being greased. In this case in-

creased inner friction can prevent the transformation

of bolt force into clamping force. Apply grease spe-

cically on the inner, bevelled surfaces of the slotted

sleeve and the inner cone.

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Fork - Headset

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Ax-lightness engage Operations Instructions Page 35

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