Extent of Limited Warranty: SRM warrants to the
end-user customer that the SRM products are free
from defects in materials and workmanship for a
3-year duraon aer the date of purchase by the
customer. The complete SRM warranty can be
found online at www.SRM.de.
CE - The CE mark is used to mark conformity with
the European Union EMC direcves EN 301 489-1
V1.81, EN 301 489-3 V1.41 and EN300 440-2 V1.3.1.
- This device complies with Part
15 of the FCC Rules. Operaon is subject to the
following two condions: (1) this device may not
cause harmful interference, and (2) this device
must accept any interference received, including
interference that may cause undesired operaon.
Repairs should be made by authorized SRM service
personnel. Unauthorized repairs will void warranty.
This product has been tested to comply with FCC
standards and is intended for personal use only.
Dispose of this device according to local and
federal regulaons, treang it as electronic
waste. You may return this device to your
nearest SRM Service Center for proper
disposal.
• The cadence magnet must be installed properly in order for the PowerMeter to turn on and measure cadence.
• The recommended posion for the cadence magnet is on the underside of the boom bracket.
• Make sure the magnet is posioned between 21-51 mm from the center point of the boom bracket shell. (Fig. 7).
• If your frame geometry does not allow for these magnet posions, visit our store at for
integrated chain catcher magnets and addional mounng opons.
• Remove the cable guide bolt and install the magnet under the cable guide (Fig. 8).
• To assist with cable guide removal, shi the chain into the largest cog in the rear and the largest chainring in
the front. Next, without turning the cranks, shi both derailleurs to the smallest cog. This will remove tension
from both cables.
• Posion the magnet 4-6 mm from the backside of the PowerMeter (Fig. 9).
• Install the bolt and ghten it to the torque specied by the frame manufacturer - you may need a longer screw
to securely hold the cable guide and magnet in place.
NOTICE
• Clean both the magnet and the mounng surface of the frame with the isopropanol alcohol.
• Posion the magnet 4-6 mm from the backside of the PowerMeter (Fig. 10).
NOTICE
• Use the double sided tape to install the cadence magnet to the frame. Remove the protecve lm on each side
of the tape. Avoid touching the adhesive surfaces. Glue the magnet in the correct posion.
• To achieve opmal magnet posion, the cadence magnet and double sided tape can be cut with scissors to t
your desired locaon.
• For informaon on connecng the SRM ORIGIN PowerMeter to your SRM PowerControl or other third party
ANT+ devices, please refer to the device manual.
NOTICE
• The SRM ORIGIN PowerMeter broadcasts the baery status to the SRM PowerControl or other compable
ANT+ devices. You will get noed if the baery is running low!
• See our authorized dealers or us directly at for a baery replacement.
WARNING
NOTICE
Non-Drive Drive-Side
BSA (68mm)
68 mm
±0,2
45,25 45,25 30mm 134mm 1mm 1mm
ITA (70mm)
70 mm
±0,2
45,25 45,25 30mm 134mm 1mm 1mm
BB30
68 mm
±0,2 (Ø42)
34 34 30mm 134mm 9mm + 2x 2mm 9mm + 1,5mm
68 mm
±0,2 (Ø46)
34 34 30mm 134mm 9mm + 2x 2mm 9mm + 1,5mm
BB 30A
73 mm
±0,2 (Ø42)
39 34 30mm 134mm 2x 3mm + 2mm 9mm + 1,5mm
PF 30A
73 mm
±0,2 (Ø46)
39 34 30mm 134mm 2x 3mm + 2mm 9mm + 1,5mm
OSBB 61
61,5 mm
±0,2 (Ø46)
30,75 30,75 30mm 134mm N/A N/A
BBRight™ Direct
79 mm
±0,2 (Ø42)
45 34 30mm 134mm 2mm 9mm + 1mm
BBRight™ Press
79 mm
±0,2 (Ø46)
45 34 30mm 134mm 2mm 9mm + 1mm
BB86
86,5 mm
±0,2 (Ø41)
43,25 43,25 30mm 134mm 2x 2mm 1,5mm
BB386 EVO
86,5 mm
±0,2 (Ø46)
43,25 43,25 30mm 134mm 2x 2mm 1,5mm
90 mm
±0,2 (Ø37)
45 45 24mm N/A N/A N/A
Spacer Drive-
Side
Spacer Non-
Drive
Recommended
axle length
BB Type
Shell width
(diameter)
Max. spindle
diameter
Version: V2.0 / March 2017 © 2017 SRM GmbH All copyrights and trademarks are the property of their respecve owners
www.SRM.de
SRM Training System
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