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Description
e*thirteen Helix R Chainring - 34t, 11/12-Speed, 52/55mm Flip Flop CL, 3.5mm Offset, e*thirteen DM, Blacke*thirteen Helix R Direct Mount Chainrings, manufactured from durable AL 7075 T6, combine aesthetics and design efficiency. Their flip flop design accommodates Boost or Super Boost chainlines. With e*thirteen's narrow wide tooth profile, they ensure enhanced chain retention, reduced wear, and compatibility with Shimano and SRAM chains. Perfectly complementing all Helix Cranks, they're backward compatible with e*thirteen TRS, LG1, and XCX Race cranks.
e*thirteen Helix R Direct Mount Chainrings, manufactured from durable AL-7075-T6, combine aesthetics and design efficiency. Their flip-flop design accommodates Boost or Super Boost chainlines. With e*thirteen's narrow-wide tooth profile, they ensure enhanced chain retention, reduced wear, and compatibility with Shimano and SRAM chains. Perfectly complementing all Helix Cranks, they're backward compatible with e*thirteen TRS, LG1, and XCX Race cranks.- Direct Mount design for use with Helix cranks, adjustable chainline TRS/LG1 cranks, and XCX Race cranks
- M4 narrow-wide tooth profile provides Shimano and SRAM 11/12-speed chain compatibility, excellent chain retention, and reduced wear
- Convenient flip-flop design, compatible with both Boost and SuperBoost chainlines (52/55mm)
- e*thirteen's Quick Connect direct mount interface keeps the system secure and creak-free
- Forged from premium 7075-T7 aluminum, then extensively CNC optimized for light weight, and technical aesthetics
- Durable 7075-T6 construction for long wear-life, stiffness, and strength
Product Specifics
- Tooth Count: 34
- Drivetrain Speeds: 11
- Drivetrain Speeds: 12
- Round or Oval: Round
- Offset: 3.5
- Material: Aluminum
- Color: Black
- Weight: 57
- Defined Color: Black
- Direct Mount Type: Direct Mount e*Thirteen
Today's Stock Status
Currently not available
UPC: Not available
EAN: 4711280340927
Manufacturer Part Number: CR4HRA-143
CR4206
183053-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
4.4 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 3
Solid, if basic, cheap watch.
Color: Black
This is a solid, if basic, quartz watch. It keeps good time, and the NATO strap is comfortable. Though some have had complaints about it's waterproof rating, I've had no issues with that. But...
The lume (glow-in-the-dark) is pretty weak and doesn't last long. I expected that, but it actually bothers me more than I thought it would. The date window is small and hard to read; which is fine because a month after I got it, it lost the ability to change the date (April has 30 days, but I can't skip over the 31st to the 1st) If I cared about the date function, that would be a deal breaker.
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Reviewed in the United States on May 2, 2025
★★★★★ 5
What time is it? Time to buy this watch!
Color: Blue
This is a great watch at an unbelievable price. You get quality materials, durable construction, reliability and style, all for a great price. I wear this watch more than my others, and I have quite a few, but this one has that "it" factor. I get a lot of compliments on it and love the aesthetic. It keeps time well and has a pretty long battery life. The fit is also great too since it very adjustable.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Good value
Color: Black
Surprisingly good watch at this price. Compatible with common 20mm NATO straps. Have worn mine extensively despite owning more expensive field watches. Got the black model and switched to a Bond NATO strap. Good legibility, light but not cheap feeling. Lots of great affordable field watches out there from Timex, Militado, Addiesdive, etc, but at the sub $20 price I think this is one of the best values.
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Reviewed in the United States on January 18, 2026
★★★★★ 4
Semi-tough and inexpensive
Color: Blue
I purchased this watch because I needed one that I could put into harms way without hesitation; I also needed it to survive. Inexpensive and semi-tough. A tall order. So far so good! Bonus points for appearance. Color coordination and it looks pretty good, lightweight and adjustable for the cost of three gallons of gasoline!
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Nice!
Color: Green
nice watch... small face tho'
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Reviewed in the United States on May 21, 2026
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