Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Neutron Crank ArmENGINEERED FOR: Weight Weenies Upgrade Specialists Custom Bike Builders Lighter. Stiffer. Faster. The Ultimate Crank Arm Upgrade. Experience a tangible performance boost with the Neutron Carbon Crank Arm. Meticulously engineered from full carbon fiber, this crankset is a testament to our obsession with stiffness, low weight, and rider friendly design. It represents a significant leap forward, offering a 25% increase in stiffness and a 12% reduction in
ENGINEERED FOR: Weight Weenies | Upgrade Specialists | Custom Bike Builders
Lighter. Stiffer. Faster. The Ultimate Crank Arm Upgrade.
Experience a tangible performance boost with the Neutron Carbon Crank Arm. Meticulously engineered from full carbon fiber, this crankset is a testament to our obsession with stiffness, low weight, and rider-friendly design. It represents a significant leap forward, offering a 25% increase in stiffness and a 12% reduction in weight over our previous generation.
At a mere 335 grams (for a set of two arms and spindle), the Neutron Crank Arm is the perfect foundation for a featherlight build, providing the rigidity needed for explosive sprints and efficient climbing.
The Neutron Advantage: Designed for the Rider
We focused on the details that matter most to mechanics and discerning cyclists:
•Effortless Installation: Built with a 24mm aluminum spindle and a SRAM 8-bolt mount, installation is straightforward. No proprietary tools or heavy-duty torque wrenches required.
•Seamless Integration: A Q-factor identical to Shimano standards means no need for biomechanical adjustments. It’s a true plug-and-play upgrade.
•Clean & Simple Setup: Forget fumbling with extra spacers. Our design ensures a faster, cleaner, and more precise installation right out of the box.
Build Your Perfect Drivetrain
The Neutron Crank Arm is the versatile heart of your custom setup. Choose your path:
•Power-Ready: Select the SIGEYI AXO power meter spider for world-class, dual-sided power measurement with +/- 1.0% accuracy.
•Power-Optional: Opt for the standard spider and upgrade to a power meter later.
•Pure Lightweight: Choose the "Spider WITHOUT powermeter" option for the absolute lightest configuration.
Tech Specs
•Crank Arm Material: Full Carbon Fiber
•Spindle: 24mm Aluminum
•Mount: SRAM 8-Bolt Direct Mount
•Weight: 335g (L/R arms + spindle)
•Available Arm Lengths: 165mm, 167.5mm, 170mm, 172.5mm
•Power Meter Spider (Optional): SIGEYI AXO (+/- 1.0% accuracy)
Compatibility
•Frame: Compatible with most road frames using a 24mm bottom bracket standard.
•Chainrings: Compatible with any SRAM 8-bolt direct mount chainring or power meter spider.
The foundation of speed is stiffness and low weight. Build your dream bike starting with the Neutron Crank Arm.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 1713 reviews
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Product Reviews
★★★★★ 5
Throw
Color: Super Mom Ice
I gave this as a Christmas present. The recipient really liked it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 5
Best Blankets ever
Color: Boquet Hearts Red
Berkshire is the best ever I have them on every bed. Absolutely love these throw blankets too!! Definitely recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
★★★★★ 5
Must buy
Color: Boquet Hearts Red
This blanket is warm and soft. This is a very pretty blanket and I got it for my sister for Christmas, but gave it to her early and she loves it and so do the dogs lol
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 8, 2025
★★★★★ 4
The product is okay…
Very soft and the pattern is pretty but the blanket is VERY THIN! It’s used (in my opinion) as a summer throw blanket. Was it worth the price? Not really the most I’d pay is $5 because of how thin it is.
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Reviewed in the United States on December 3, 2025
★★★★★ 5
Very cute, super soft
Color: Super Mom Ice
I bought this for my daughter for Christmas and she loved it! The Super Mom blanket was adorable and really soft!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 1, 2026
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