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PASS QUEST Shimano X110BCD 2x AERO Chainring Set

Smooth Shifting. Lightweight Strength. Precision CNC Engineering.

The PASS QUEST Shimano X110BCD 2x AERO Chainring Set is precision CNC-machined from high-strength 7075 aluminum alloy.

Manufactured from a 5 mm thick aluminum plate, this chainring set features a distinctive triangular textured structure, an optimized hollowed-out rear design, and carefully engineered shifting pins and ramps.

Designed as a matched large and small chainring set, it combines lightweight construction, structural rigidity, and reliable front-shifting performance for road and gravel riding.

1. Precision CNC-Machined Construction

The X110BCD chainrings are precision CNC-machined from a solid aluminum plate.

The reverse side features extensive hollowing and carefully machined chamfers to reduce unnecessary material while maintaining structural strength and rigidity.

The chainrings are engineered as an integrated shifting system. Individual chainrings cannot be freely replaced with other models or mixed with incompatible designs.

2. High-Strength 7075 Aluminum Alloy – 5 mm Thick Construction

Manufactured from high-strength 7075 aluminum alloy, the chainring set features a 5 mm thick aluminum plate.

The distinctive triangular and textured structure is carefully engineered to balance structural rigidity and weight reduction.

This construction provides reliable support while maintaining a lightweight riding experience.

3. Smooth Shifting – Over 30 Rounds of Testing

We conducted more than 30 rounds of testing and refinement, carefully optimizing:

• Chainring tooth profiles

• Up-shift pin positions

• Down-shift ramp orientations

These refinements are designed to improve chain pickup and engagement, helping deliver smoother and more consistent transitions between the large and small chainrings.

The design has also undergone evaluation by experienced riders and testers to further refine its shifting performance.

4. Refined Matte Anodized Surface

7075 aluminum alloy presents challenges during the anodizing process.

Through multiple rounds of prototyping and surface-finishing improvements, we refined the anodizing process to achieve a more consistent and refined surface finish.

The anodized surface helps protect the aluminum against oxidation and everyday wear while providing an attractive appearance.

5. Lightweight Hollowed-Out Design

Extensive hollowing and chamfering help reduce unnecessary weight while maintaining structural rigidity.

The carefully optimized structure combines lightweight performance with the strength required for demanding road and gravel riding.

6. Specially Designed Shifting Pins and Ramps

The specially shaped shifting pins and optimized shifting ramps are designed to guide the chain during front shifting.

These features help improve chain pickup and engagement, supporting smoother and more reliable gear changes.

7. Precision Countersunk Mounting Structure

The precision-engineered countersunk structure helps position the chainrings accurately and provides a secure mounting interface.

Its integrated design creates a cleaner installation appearance and helps minimize unwanted movement and noise when correctly installed.

Important: Original PASS QUEST Matched Pair Required

The large and small chainrings are precision-matched and designed to work together as a complete PASS QUEST 2x chainring set.

Both chainrings must be used together as the original PASS QUEST matched pair.

Do not mix chainrings from different brands or combine incompatible tooth combinations. Doing so may result in poor shifting performance, unreliable gear changes, or drivetrain compatibility issues.

For optimal shifting performance, always use the complete original PASS QUEST 2x chainring set.

Technical Specifications

• Brand: PASS QUEST

• Product Type: 2x AERO Chainring Set

• Mounting Standard: Shimano X110BCD

• Material: 7075 Aluminum Alloy

• Aluminum Plate Thickness: 5 mm

• Manufacturing Process: Precision CNC Machining

• Structure: Triangular Textured Design

• Rear Design: Hollowed-Out Construction

• Edge Finish: Chamfered

• Surface Finish: Anodized

• Shifting Features: Optimized Tooth Profiles, Shifting Pins and Ramps

• Configuration: Matched Large and Small Chainring Set

Mounting Bolts and Tightening Torque

Standard mounting bolts are provided free of charge.

Recommended Tightening Torque: 6–8 N·m

Excessive tightening torque may damage the bolts, threads, or mounting components.

Use an appropriate torque wrench and follow the crankset manufacturer's installation instructions.

Installation Instructions

Follow these steps to correctly align the chainrings:

1. Position the Large Chainring: Align the positioning pin on the large chainring directly beneath the crank arm.

2. Align the Small Chainring: Position the alignment mark on the small chainring directly beneath the crank arm.

3. Align the Mounting Holes: Match the countersunk holes with the corresponding chainring bolt positions.

4. Secure the Chainrings: Install the mounting bolts and tighten them evenly according to the recommended torque specifications.

Check that both chainrings are correctly aligned before completing installation.

Before You Order

Please confirm the following specifications before purchasing:

• Exact Shimano crankset model

• X110BCD mounting interface

• Required large and small chainring tooth combination

• Chain compatibility, including SRAM AXS 12-speed chain compatibility where applicable

Important: X110BCD alone does not guarantee compatibility with every Shimano crankset. Please confirm your exact crankset model before ordering.

If you are unsure about compatibility, contact PASS QUEST customer service before placing your order.