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Important information before you begin with Comp series hubs
Some Bontrager front hubs utilize DT Swiss internal
parts. This manual is intended for retailers with the
appropriate skills and knowledge to work on these hubs.
Please read the entire section before carrying out any
kind of maintenance work.
This manual details the principle design features of
DT Swiss front hubs and also provides instructions as
to maintenance and repair work. Please take special care
to use only original DT Swiss special tools in order to
undertake the work details in this manual. Use only DT
Swiss replacement parts.
In this manual, the hubs are shown installed in
a complete wheel. Maintenance work should be carried
out on complete wheels where possible. Otherwise, some
steps can not be carried out correctly.
This manual provides technical and spare parts infor-
mation for these hubs. If you have further questions
about these hubs regarding technical information, sup-
port, or warranty, they should be directed to Bontrager
Technical Support via phone or on the Bontrager web site
at www.bontrager.com.
In the event of improper servicing of the hubs,
Bontrager has the right to refuse any warranty.
Special information before you begin
Bearing resistance: New or newly re-built hubs have
a higher rolling resistance than used hubs because the
grease in the freehub has not yet been evenly distributed
and the seals have not yet bedded in.
Check your work: Before use, always check the hub
for proper functioning.
Regular Maintenance
Maintenance of the front hubs should be performed at
least once a year. This maintenance schedule is based on
normal usage. If you ride your bike more than average,
or in rain, snow, or off road conditions, service your
bicycle more often than the schedule suggests. If any
part appears to be malfunctioning, inspect and service it
immediately.
Things to avoid
Avoid high pressure washing systems, like those at
most car washes. The high pressure can bypass bearing
seals, letting water into the bearings. Do not use any kind
of solvents or tensides- this can damage the hub.
Tool list for DT Swiss front hubs
The following tools may be necessary to perform
maintenance work on DT Swiss
Comp series hubs:
Long bearing press
Short bearing press
DT 17mm cone wrench
Comp front hub bearing press
Multi-purpose DT grease
These maintenance items are
available as TCG part #211416.
19
2003 Bontrager Service Manual
Long
bearing
press
Short
bearing
press
Front hub bear-
ing press
Special screw-
driver
DT-Swiss Comp series hubs