Thank you for deciding to buy your new stem from our company.
Please check the ‘Level’ number on the stem against the adjacent
table to make sure that the stem is suitable for the intended
purpose.
Before fitting the stem make sure that it is suitable for the
maximum permitted overall weight of the bike. You will find the
relevant information in the product description, or it can be
obtained from the bicycle manufacturer.
Before using the product please read the following assembly
and safety instructions carefully. Keep these instructions in a safe
place and if necessary pass them on to the next owner.
Assembly
Assembly and fitting require the relevant technical knowledge and skills. If you do
not have these, please contact a specialist bicycle dealer.
Before assembly please check that the inner diameter of the Ahead stem
clamp (28.6 mm) matches the outer diameter of the steer tube. There are
2 different sizes here:
with 1“ steer tube: external diameter 25.4 mm and
with 1 1/8“ steer tube: external diameter 28.6 mm.
The inner diameter of the stem clamp must match the outer diameter of the
steer tube.
You should also check the clamping length of the steer tube. This has to be
56 - 58 mm.
Then place the steering bearing adjustment mechanism
c
on the steer tube
with the protruding thread at the top.
You now place the stem into the steer tube and on the thread of the steering
bearing adjustment mechanism
c
, and adjust it in such a way that it is
aligned with the front wheel.
For safety reasons the stem should never be combined with
a carbon steer tube – risk of breakage.
For safety reasons the steer tube must not be more than 2 mm
shorter than the stem clamp.
With a 6 mm hexagonal key you now lightly tighten the two tube clamping
screws
i
to a tightness value of 10 - 12 Nm.
With a 4 mm hexagonal key you next loosen the handlebar clamping
screws
e
and remove the handlebar clamp
j
.
For safety reasons the stem should never be combined with
carbon handlebars – risk of breakage.
You should also make sure that the clamping surfaces are clean
and free from grease.
Before assembly, check the length of the clamping area on the handlebars.
This must be at least 46 mm long.
Then insert the clamping area of the handlebars centrally into the handlebar
clamp
d
of the stem and fix the handlebar clamp
j
lightly into position.
Now adjust the grip ends or the handlebar position to your requirements.
Then use a 4 mm hexagonal key and tighten first the two upper handlebar
clamping screws
e
and then the two lower handlebar clamping screws
e
evenly to a tightening torque of 6 - 8 Nm. Make sure that the upper part
of the handlebar clamp is in contact with the stem !
For safety reasons the max. tightening value of 8 Nm
must not be exceeded.
Next you adjust the play on the steering bearings. Hold the lower ring
f
with a 36 mm open-ended spanner. Turn the upper ring
g
counterclockwise
with a second 36 mm open-ended spanner until there is no more play. Please
also observe the installation and safety instructions of the manufacturer of the
steering bearings.
To secure the upper ring, tighten grub screw
h
to a tightness value of
2 Nm with a 2 mm hexagonal key.
Safety instructions
The tightness of the screws should be checked after approx. 500 km and then
regularly as part of the regular service, but at least once a year.
In order to avoid a fall or an accident, the stem must always be replaced
if it is damaged in any way.
You should not attach any additional equipment such as a child‘s seat
or a luggage rack to the stem. This could lead to excessive strain and
as a result to the breaking of the stem.
Assembly and safety instructions for
Stem Barracuda, High Barracuda
Mountain-Bike/Race-Bike Safety Level
max. 100 kg max. 100 kg
max. 120 kg max. 120 kg
E-BIKE
25 km/h + 45 km/h
max. 100 kg max. 100 kg
max. 120 kg max. 120 kg
Trekking-Bike Safety Level
max. 100 kg max. 100 kg
max. 120 kg max. 120 kg
max. 140 kg max. 140 kg
max. 160 kg max. 160 kg
E-BIKE
25 km/h max. 140 kg max. 100 kg
E-BIKE
25 km/h max. 160 kg max. 140 kg
E-BIKE
45 km/h* max. 140 kg max. 140 kg
E-BIKE
45 km/h* max. 160 kg max. 140 kg
City-Bike Safety Level
max. 100 kg max. 100 kg
max. 120 kg max. 120 kg
max. 140 kg max. 140 kg
max. 160 kg max. 160 kg
max. 180 kg max. 180 kg
E-BIKE
25 km/h max. 140 kg max. 100 kg
E-BIKE
25 km/h max. 160 kg max. 140 kg
E-BIKE
25 km/h max. 180 kg max. 160 kg
E-BIKE
45 km/h* max. 140 kg max. 140 kg
E-BIKE
45 km/h* max. 160 kg max. 140 kg
Jugend/Young adult Safety Level
max. 100 kg max. 100 kg
Kinderrad/Youth-Bike Safety Level
12"-24"
Lenksystem
Steering system
Sattelstütze
Seatpost
The product classification of the ergotec Safety Level corresponds
to the DIN EN ISO 4210 norm for bikes and DIN EN 15194 for e-bikes.
E-bike-type: pedal assist up to the indicated speed.
* Retrofitting only with the approval of a recognised certifying
body and entry in the documents for the bike.
english
Valid: 19.09.2018
Guarantee
For ergotec stems the following guarantee periods apply:
with safety level 6 6 years or 35,000 km
with safety level 5 5 years or 30,000 km
with safety level 4 4 years or 25,000 km
with safety level 3 3 years or 20,000 km
with safety level 2 3 years or 15,000 km
Guarantee claims should be processed through
a specialist bicycle dealer.
CYCLINGRIGHT.COM
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c
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f
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