PASS QUEST SRM9/SRM7 110BCD 4-Bolt AERO Round Narrow-Wide Chainring
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Model |
42T , 44T , 46T , 48T , 50T , 52T , 54T , 56T , 58T |
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Color |
Black |
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Material |
7075-T651 aluminum alloy |
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Surface Finish |
Anodized Finish |
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Manufacturing Process |
CNC machining |
| Timing | 108° After Top Dead Center (ATDC) |
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Shape |
Round |
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Compatible cranksets |
SRM9 SRM7 POWER METER |
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Weight, grams |
93g (42T), 102g (44T), 113g (46T), 121g (48T), 130g (50T), 141g (52T), 154g (54T), 170g (56T), 191g (58T) |
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Chain compatibility |
Compatible with standard 9-, 10-, 11-, and 12-speed bicycle ordinary chains |
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Support paying an extra $10 to customize the same silver color Bicycle Shops & Dealers: Contact us for exclusive wholesale pricing. wangchan1013@gmail.com This product can be customized with a devilish smiley face. |
PASS QUEST SRM 9 / SRM 7 110BCD 4-Bolt AERO Round Narrow-Wide ChainringEnhanced Chain Retention. Lightweight Strength. Precision CNC Engineering.The PASS QUEST SRM 9 / SRM 7 Narrow-Wide Chainring is designed for compatible SRM power meter systems featuring a 110BCD 4-bolt AERO mounting interface. Precision CNC-machined from high-strength 7075-T651 aluminum alloy, this chainring features an extended 8.5 mm tooth profile, a distinctive triangular textured structure, and an optimized hollowed-out rear design. Combining lightweight construction with excellent structural rigidity, it is engineered to provide reliable chain retention and efficient power transfer for demanding cycling conditions. 1. Precision CNC-Machined ConstructionManufactured 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 ProfileFeaturing 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 Aluminum AlloyPrecision-machined from high-strength 7075-T651 aluminum alloy, this chainring offers an excellent balance of strength, rigidity, and durability. Its distinctive triangular and textured structure further enhances structural rigidity while maintaining a lightweight construction, helping deliver efficient and reliable power transfer. 4. Refined Anodized Surface Finish7075 aluminum alloy presents challenges during the anodizing process. Through multiple rounds of prototyping and surface-finishing improvements, we refined the anodizing process and worked with a specialized manufacturing facility in Taiwan to achieve a consistent, high-quality anodized finish. The anodized surface helps protect the aluminum against oxidation and everyday wear while providing a refined appearance. 5. Lightweight Hollowed-Out and Chamfered DesignExtensive hollowing and carefully machined chamfers help reduce unnecessary material while maintaining structural rigidity. The striped details and refined chamfered edges create a distinctive three-dimensional appearance, combining lightweight construction with a clean, premium finish. 6. SRM 9 / SRM 7 Power Meter CompatibilityDesigned for compatible SRM 9 and SRM 7 power meter systems featuring a 110BCD 4-bolt AERO mounting interface. Important: Please confirm your exact SRM power meter model and mounting interface before ordering. Not all 110BCD power meters or spiders are compatible with this chainring. 7. 1x Single-Chainring Drivetrain OnlyThis Narrow-Wide chainring is designed exclusively for 1x single-chainring drivetrains.
8. Chain CompatibilityWhen using a Shimano 12-speed chain, please replace the original Shimano quick link with a compatible KMC 12-speed quick link, as specified for this product. Please confirm chain and quick-link compatibility before installation. Mounting Bolts and Tightening TorqueStandard mounting screws are provided free of charge. Recommended Tightening Torque: 6–8 N·m Excessive tightening torque may damage the screws, threads, or mounting components. Use an appropriate torque wrench and follow the power meter manufacturer's installation instructions. Technical Specifications
Before You OrderPlease confirm the following specifications:
If you are unsure about compatibility, contact PASS QUEST customer service before placing your order.
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FAQ
Continuous upgrading and optimization
We have more colorful custom-designed products.
This product comes in two colors and is a limited edition, so we don't have a link to it.
If you are interested in a customized product, you can contact customer service to inquire about the number of teeth, price, and our stock availability.
We will reply to you as soon as possible.
You can also email wangchan1013@gmail.com for more details.
If you are a bicycle shop owner, please contact customer service and provide the relevant documents. We will offer you a discounted price.
Looking for top-level professional cyclists
This is the new equipment for professional road bikers, track bikers, and time trial riders.
We designed and manufactured a 5mm thick narrow-wide chainring, increasing lateral stiffness and featuring a high bracket density. It weighs about the same as a carbon fiber chainring with the same number of teeth, but is much stiffer, making it suitable for riders with higher power output.
Our single-speed chainring has also been optimized and upgraded.
