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PASS QUEST Race Face Direct-Mount Hollow Round Narrow-Wide Chainring

Enhanced Chain Retention. Lightweight Strength. Precision CNC Engineering.

The PASS QUEST Race Face Direct-Mount Narrow-Wide Chainring is precision CNC-machined from high-strength 7075-T651 aerospace-grade aluminum alloy.

Featuring an extended 8.5 mm tooth profile, an optimized hollowed-out rear structure, and carefully chamfered details, this chainring is engineered to provide reliable chain retention and excellent structural rigidity while minimizing unnecessary weight.

1. Precision CNC-Machined Construction

Manufactured from a solid aluminum plate using precision CNC machining, the chainring features an optimized hollowed-out rear structure.

The backside is carefully machined with hollow sections and chamfered details to reduce unnecessary material while maintaining structural strength and rigidity.

2. Extended 8.5 mm Narrow-Wide Tooth Profile

Featuring an extended tooth profile with an optimized height of 8.5 mm, this chainring is designed to improve chain engagement and retention.

The extended teeth reach deeper into the chain links, helping maintain secure chain contact and reduce the risk of chain drops during rough terrain, intense vibration, and demanding riding conditions.

3. High-Strength 7075-T651 Aerospace-Grade Aluminum Alloy

Precision-machined from high-strength 7075-T651 aerospace-grade aluminum alloy, this chainring offers an excellent balance of strength, rigidity, and durability.

The surface undergoes an anodizing process to improve corrosion resistance and protect the aluminum against oxidation and everyday wear.

4. Lightweight Hollowed-Out and Chamfered Design

The rear structure features extensive hollowing and carefully machined chamfers to reduce unnecessary material while maintaining structural integrity.

The refined chamfered edges also create a clean, three-dimensional appearance, combining lightweight construction with excellent structural rigidity.

5. Chainring Offset Options & Frame Compatibility

Choose the correct chainring offset according to your rear hub spacing, frame configuration, crankset, and chainline requirements.

• 6 mm Offset – 135 mm QR / 142 mm Non-Boost: Designed for traditional 135 mm quick-release and 142 mm non-Boost thru-axle setups.

• 3 mm Offset – 148 mm Boost: Designed for 148 mm Boost thru-axle frames, a widely used standard for modern mountain bikes.

• 0 mm Offset – 157 mm Super Boost / Additional Frame Clearance: Designed for 157 mm Super Boost downhill setups and compatible configurations requiring additional clearance, particularly when using larger chainrings.

Need Help Choosing the Right Offset?

Choosing the correct offset is essential for achieving proper chainline and sufficient chainstay clearance.

If you plan to install a larger chainring or are unsure which offset is suitable for your frame, please contact PASS QUEST customer service before ordering.

We can guide you through the measurement process and help determine the appropriate offset and maximum chainring size your frame can accommodate.

Important: Rear hub spacing alone does not guarantee crankset or chainring compatibility. Please confirm your crankset model, frame configuration, chainline, and chainring size before purchasing.

6. Installation Instructions

Two small positioning marks on the back of the chainring indicate the crank-facing side.

During installation:

1. Locate the two small positioning marks on the back of the chainring.

2. Position the marked side toward the crank.

3. Rotate the chainring into the correct mounting position.

4. Secure the chainring using the appropriate mounting hardware.

Installation Tool: A dedicated removal tool compatible with the specific Race Face crankset mounting interface may be required. Please confirm the required tool before installation.

Technical Specifications

• Brand: PASS QUEST

• Compatible Mounting System: Race Face Direct Mount (compatible models only)

• Product Type: Hollow Round Narrow-Wide Chainring

• Material: 7075-T651 Aerospace-Grade Aluminum Alloy

• Manufacturing Process: Precision CNC Machining

• Tooth Profile: Narrow-Wide

• Tooth Height: 8.5 mm

• Structure: Hollowed-Out Rear Design

• Edge Finish: Chamfered

• Surface Finish: Anodized

• Available Offsets: 0 mm / 3 mm / 6 mm

• Available Tooth Counts: 38T–46T

Before You Order

Please confirm the following specifications:

• Exact Race Face crankset model

• Direct-mount interface compatibility

• Required chainring offset

• Chainring tooth count

• Frame and chainstay clearance

• Required installation tool

If you are unsure about compatibility or the maximum tooth count your frame can accommodate, contact PASS QUEST customer service before placing your order.