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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
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For Your Every Summer RSVP, with Code: SUMMER15
Description
e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset, 155mm, with Self Extractor, BlackA high performance, weight optimized alternative to carbon fiber, for riders who prefer alloy cranks. These 24mm ISIS interface cranks are engineered for compatibility with Bosch Gen 4, Brose S Mag, TQ HPR 50, Fazua, Yamaha, Maxon, and Specialized Brose motor systems. They come in short lengths starting at 155mm for improved pedal clearance and are tested to E Enduro standards. Product Specifics Color: Black Crank Length (mm): 155 Pedal Spindle: 9 16"
A high-performance, weight-optimized alternative to carbon fiber, for riders who prefer alloy cranks. These 24mm ISIS interface cranks are engineered for compatibility with Bosch Gen 4, Brose S Mag, TQ HPR 50, Fazua, Yamaha, Maxon, and Specialized Brose motor systems. They come in short lengths starting at 155mm for improved pedal clearance and are tested to E-Enduro standards.Product Specifics
- Color: Black
- Crank Length (mm): 155
- Pedal Spindle: 9/16"
- Spindle Interface Type: ISIS
- Designed for ebike: Yes
- Defined Color: Black
Today's Stock Status
Currently not available
UPC: Not available
EAN: 4711280343737
Manufacturer Part Number: CS4HAA-105
CK1406
183076-Q0-L
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 9 reviews
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Product Reviews
★★★★★ 3
Good Product But I Need Something Indestructible
These were advertised for aggressive chews, but my 2 mini schnauzers puppies quickly bit off the little prongs within an hour. I didn't put food inside them; I just wanted them for chew toys. Well, they were not hard enough for them. The size was perfect for puppies, but they were not durable enough for my 'heavy' chewers. I hate I can't find chew toys they can't destroy! Now they bring in sticks and mess the house up.
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Reviewed in the United States on April 28, 2025
★★★★★ 4
Works great with toothpaste.
They lasted longer than most toys but eventually my dog was able to tear them up.
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Reviewed in the United States on April 22, 2023
★★★★★ 5
Tough toys
The dogs really enjoy chewing on these toys. Very sturdy and you can put treats inside for lasting pleasure
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Reviewed in the United States on January 13, 2026
★★★★★ 5
We have three of these (one for each dog)
My dogs love these. I don’t put any paste in them. I stuff them with their dinner kibbles and then use something like peanut butter or bread on the ends to keep the kibbles in for a bit while they toss these and roll them around. Keeps them quite busy for a long time AND the best part is I have had 1 for months (and bought more) but this toy has stood up to hard chewing for as long as we’ve had them.
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Reviewed in the United States on July 12, 2024
★★★★★ 5
Cute toy!
Color: Alligator(Green)
Can’t wait to give it to my puppies due to come soon. Hope they like it as much as I do.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 23, 2026
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