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USER MANUAL
1st Edition. October, 2020
2
‧ SPM
POWER METERS
‧ PNEUMA TAROKO CRANKSETS
‧ PNEUMA SEKOAN CRANKSETS
(ROAD)
(MTB)

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Table of Contents
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Summarization of Contents

Pneuma Crank Installation
Chainring Installation
Instructions for tightening chainring screws using a hex wrench and specific torque.
Crankset Assembly
Covers spindle identification, spider positions (standard, climbing, rouleur), and general assembly steps.
Crankset Removal
Detailed steps for safely removing the Pneuma crankset, including loosening bolts and detaching crank arms.
SPM² Power Meters
Getting Ready & Connection
Covers first charge, connecting to computers/smartphones via ANT+/Bluetooth, and app connection.
Zero Offset Procedure
Explains automatic and manual zero offset, calibration, and temperature compensation for accurate data.
Battery Management
Details on charging the integrated battery, battery life, and standby mode activation.
Maintenance and Care
SPM² Power Meter Spider Care
Guidelines for cleaning, storing, and protecting the SPM² power meter spider.
Crankset Maintenance
Recommendations for cleaning, checking for wear, and periodic servicing of the crankset.
SPM² Power Meter Functionality
LED Notifications
Explains the meaning of LED behaviors and required actions for the power meter unit.
Unit Specifications
Lists key specifications like leg measurement, accuracy, power range, cadence range, and connectivity.
Pneuma Taroko Cranksets (Road)
Crankset Specifications
Details crank arm and spindle specifications, including materials, lengths, and dimensions.
Power Meter Spider & Chainring Options
SPM² R491 / GR4C Spider Compatibility
Compares SPM² R491 (Road) and GR4C (Gravel) spiders, including BCD, chainring sizes, and weight.
Non-Power Meter Spider & Chainring Options
R491 / GR4C / ITST Spider Compatibility
Details specifications for non-power meter spiders R491, GR4C, and ITST, including BCD and chainring sizes.
Pneuma Sekoan Cranksets (MTB)
Crankset Specifications
Details crank arm and spindle specifications, including materials, lengths, and dimensions.
Spider & Chainring Options
SPM² MSH1 Spider Compatibility
Details specifications for the SPM² MSH1 power meter spider and chainring compatibility.
Non-Power Meter MSH1/M4S2/M4S3 Spider Compatibility
Lists specifications for non-power meter spiders MSH1, M4S2, and M4S3, including chainring sizes.
Warranty Information
Product Warranty Details
Outlines the warranty period for different product components and exclusions.

Table of Contents