Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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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
4.4 ★★★★★
Based on 2258 reviews
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Product Reviews
★★★★★ 3
Not for aggressive chewers. But still a good product.
Color: Mixed, Size: Medium
Cute toy, my dog was obsessed with it, but within like 1-3 days I couldn’t put any treats in the places for it as my aggressive chewer dog destroyed it within a day or so haha. But she still loves it and just chews on it for fun. Doesn’t last long with aggressive chewers if you’re looking to put treats and such in it like I did. But again that part may be broken and she still chews on it so not too bad!
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Reviewed in the United States on April 24, 2026
★★★★★ 5
She sat still and licked peanut butter. I clipped nails!! "FINALLY" 😃😄
Color: Mixed, Size: Medium, Color: Mixed, Size: Medium
I have a Belgian Malanois who WILL NOT let me clip her nails. I got this a little bit of peanut butter in the places you can put it under the bottom in little compartments like which she sits and trys to lick it all out of every little cranny and while doing that, BOOM nails clipped and filed. Great product and worked exactly as I needed. Highly suggest if ya need the fur baby to sit still while you brush alor clip whatever you need, it works and if it works for my Dog a Belgian Malanois-look them up-it will def work for yours!!!! Oh yeah another great thing is it's nearly indestructible. I say nearly because she will prove me wrong if I say it is completely indestructible. Good buy. I suggest it for sure.
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Reviewed in the United States on October 6, 2025
★★★★★ 1
Plastic cut my dog
Color: Mixed, Size: Medium
If your pet chews a lot do not buy. My dog chewed the plastic and cut her nose when grabbing the toy because of how sharp it became.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
pretty strong
Color: Mixed, Size: Medium, Color: Mixed, Size: Medium
she loves it :)
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Great toy!
Color: Grass Green, Size: Medium
We have a boxer and pit mix and he destroys everything. This toy however lasted the longest. He played with this every day and he plays very rough. But after 3 months I finally threw it out. It was still in tact but it was about to start falling apart. I will definitely buy another one.
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Reviewed in the United States on April 27, 2026