User Manual for Shimano 0MX2 Dual Control Lever
Comprehensive user guide for the Shimano 0MX2 Di2 Dual Control Lever. Includes safety warnings, hydraulic disc brake operation, maintenance, inspection checklists, and technical specifications.
Table of contents
Manual images
Click an image to enlargeImportant Information
This document provides essential safety and operational information for the Shimano 0MX2 Di2 Dual Control Lever with hydraulic disc brakes. Users are advised to read the full manual available at https://si.shimano.com. For those without internet access, contact your place of purchase or a Shimano office for a hardcopy.
Safety Warnings
General Safety: Bicycle handling varies by model. Familiarize yourself with your specific brake lever pressure and control characteristics. Improper use can lead to loss of control, falls, or serious injury.

Battery Safety: Use only the specified battery. Do not use or store the battery outside of recommended temperature ranges. Do not subject the product to strong shocks, heat, or low air pressure, as this may cause the internal battery to explode or leak. Keep coin batteries away from children; ingestion can be fatal within two hours.
Brake Safety: Hydraulic disc brakes have different characteristics than rim brakes and provide high braking force. Familiarize yourself with these characteristics before riding. Keep fingers away from rotating disc brake rotors to avoid injury. Do not touch calipers or rotors immediately after riding as they become hot.
Operating Instructions
Braking: Do not continuously apply brakes, as this may cause a sudden increase in lever stroke and brake failure. Do not use the brakes if fluid is leaking. Reduce speed and brake early and gently in wet weather, as traction is reduced. Do not apply the front brake too strongly, as this may cause the wheel to lock and the bicycle to fall forward.
Shifting: When operating the shift switch, ensure fingers are not caught in the derailleur. The motor will operate until the shifting position is reached.
Maintenance and Inspections
Bed-in Period: Disc brakes require a bed-in period during which braking force gradually increases. Exercise caution during this time, especially after replacing brake pads or rotors.

Regular Inspections: Before every ride, check the following:
- Check for signs of brake oil leakage.
- Verify front and rear brakes operate correctly.
- Ensure brake pads are at least 0.5 mm thick.
- Check that the disc brake rotor is not cracked or deformed.
- Confirm gear shifting occurs when shift switches are operated.
- Ensure levers are securely installed on the handlebar.
- Listen for abnormal noises during operation.
- Verify sufficient battery charge.
Technical Specifications
- Frequency band: 2.4 GHz
- Maximum radio-frequency power:
- Firmware version: 4.0.0 or later
Disposal
Dispose of the product and its internal battery according to local environmental regulations. Do not dispose of in fire or a hot oven, and do not mechanically crush or cut the product, as this may cause an explosion.
Official resources from the manual
Practical help
Common problems
Do not continuously apply brakes; this can cause overheating and brake failure.
Check for oil leaks, ensure brake pads are at least 0.5 mm thick, and verify the rotor is not cracked or deformed.
Be careful when operating the shift switch; the motor operates automatically until the position is reached.
Before use
- Check for brake oil leakage.
- Verify front and rear brakes operate correctly.
- Ensure brake pads are at least 0.5 mm thick.
- Check disc brake rotor for cracks or deformation.
- Confirm gear shifting functions when switches are operated.
- Ensure levers are securely installed.
- Check battery charge level.
Specs in practice
- Frequency band
- 2.4 GHz wireless communication standard.
- Maximum radio-frequency power
- <10 dBm signal strength limit.
- Firmware version
- 4.0.0 or later is required for proper operation.
Images and diagrams
- Internal battery location diagram.
- Brake pad and rotor thickness measurement guide (2mm vs 0.5mm).
Model compatibility
- Requires firmware version 4.0.0 or later.
- Designed for hydraulic disc brake systems.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.