Operating instructions
Seat posts
General notes on mounting
Make sure your new AX-Lightness and engage seat
post has the same diameter as the seat tube of your
frame.
The AX-Lightness seat post Europa (a) is available
with the nominal diameters:
27.2 mm, 30.9 mm, 31.6 mm and 34.9 mm
It is available in the following lengths:
L1 = 220 mm (7-14 cm extension length)
L2 = 290 mm (13-20 cm extension length)
L3 = 350 mm (19-26 cm extension length)
L4 = 400 mm (24-31 cm extension length)
The AX-Lightness seat post Daedalus (b) is availa-
ble with the nominal diameters:
27.2 mm, 30.9 mm and 31.6 mm
It is available in the following lengths:
L1 = 260 mm (11-18 cm extension length)
L2 = 320 mm (17-24 cm extension length)
L3 = 370 mm (22-29 cm extension length)
L4 = 410 mm (25-32 cm extension length)
engage seat posts (c) are available with the nom-
inal diameters:
27.2 mm and 31.6 mm
They are all 400 mm long.
Measure the AX-Lightness (d) and engage seat post
as well as the seat tube (e) of the frame. The dier-
ence between the (bigger) inner diameter of the seat
tube and the (smaller) outer diameter of the seat post
should be between 0.05 and 0.1 mm.
Before mounting a carbon seat post on the frame
make sure the seat tube is absolutely free of sharp
edges and burrs. If necessary, have the seat tube
cleaned and deburred by a skilled mechanic.
If you have an AX-Lightness or engage carbon seat
post, the seat tube must be absolutely free of lubri-
cants no matter what material it is made of. However,
if you have a road racing machine or the like, where
you don’t need to change the saddle height during
the race, use special AX-Lightness carbon assembly
paste inside the seat tube
(f) to achieve a tight clamp-
ing.
If your AX-Lightness and engage seat post has a suit-
able diameter and is free of burrs, slide it gently into
the seat tube. Do not insert it deeper than necessary
into the seat tube to prevent the still visible surface of
the AX-Lightness and engage seat post from being
damaged.
You should be able to insert the AX-Lightness and
engage seat post easily into the frame without press-
ing or turning. It must be, however without play and
should not move from one side to the other when
inserted.
Slide the AX-Lightness and engage seat post into
the seat tube until the binder clamp of the frame is
around the area reinforced with UD-fabric (AX-Light-
ness)
(g) or marked with the scale (engage) (h).
Tighten the binder bolt or close the quick-release
(read the chapter “How to use quick-releases of
seat post clamps”) until the seat post no longer
moves when you mount the saddle, as described fur-
ther below, and check the saddle height.
g
A mismatch between frame and seat post
can cause failure of the AX-Lightness and
engage seat post and result in an accident
and possible injury to the rider.
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Seat posts - Saddles
a
b
c
d
g
f
e
h