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Description
e*thirteen Helix R 107 BCD 4-Bolt Chainring - 42t, 11/12-Speed, 107BCD, BlackThe e*thirteen Helix R 107BCD Chainring, designed for 4 bolt 107BCD cranks like SRAM Red or Force including power meter equipped cranks, offers a performance upgrade for Gravel and Road cyclists. The 38, 40, and 42 tooth rings pair perfectly with e*thirteens cassettes for more overall range and higher top speeds. Made from durable premium 7075 alloy, they're CNC sculpted for a high stiffness to weight ratio. Compatible with both SRAM and Shimano 11
The e*thirteen Helix R 107BCD Chainring, designed for 4-bolt 107BCD cranks like SRAM Red or Force including power meter equipped cranks, offers a performance upgrade for Gravel and Road cyclists. The 38, 40, and 42 tooth rings pair perfectly with e*thirteen’s cassettes for more overall range and higher top speeds. Made from durable premium 7075 alloy, they're CNC sculpted for a high stiffness-to-weight ratio. Compatible with both SRAM and Shimano 11 and 12-speed drivetrains. Chainline is set by SRAM® Crank assembly.- Compatible with 4-bolt 107 BCD SRAM® cranks and Quarq® power meter cranks
- M4 narrow-wide tooth profile provides Shimano and SRAM 11/12-speed chain compatibility (Including flattop chains), excellent chain retention, and reduced wear
- 4.8mm offset (Chainline is determined by SRAM® Crank assembly, 45mm for normal width cranks, 47.5mm for wide cranks)
- Forged from premium 7075-T7 aluminum, then extensively CNC optimized for light weight, and technical aesthetics
- Durable 7075-T7 construction for long wear-life, stiffness, and strength
Product Specifics
- Ring Position/Type: Chain Retaining Single Ring
- Tooth Count: 42
- Drivetrain Speeds: 11
- Drivetrain Speeds: 12
- Round or Oval: Round
- Chainring BCD: 107
- Material: Aluminum
- Color: Black
- Weight: 81
- Defined Color: Black
Today's Stock Status
5 Available to ship in 2-4 Business Days
UPC: Not available
EAN: 4711280340996
Manufacturer Part Number: CR4HRA-150
CR4212
183057-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
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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
4.9 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
The winner is…
Size: X-Large, Color: Liberty Navy
I’ve been looking for some good quality polos for a while but it gets frustrating when you’re not someone who likes the labels/logos all over the place. After looking and ordering many polos, this was exactly what I was looking for. High quality materials and fit was perfect all around (length, chest). I already ordered two more.
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Reviewed in the United States on May 13, 2022
★★★★★ 5
Great combination of cotton and polyester
Size: Medium, Color: White
Great shirt...I am an athletic, fit 68 year old male and the cotton/polyester combination is perfect! Leave the straight polyester shirts for the young guys! Great shirt for playing golf.
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Reviewed in the United States on August 21, 2023
★★★★★ 5
Quality
Truly this is a well made shirt. Nice cut and details. Fits me well an XL. This is regular roomy fit. The fabric blend is a fine pique. Hopefully it gives at least one year of wearing it about every 10 days.
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Reviewed in the United States on May 27, 2021
★★★★★ 5
Cutter & Buck great as I expected
Size: X-Large, Color: Liberty Navy
This shirt is wonderful. Fit, collar, material all very nice.
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Reviewed in the United States on March 29, 2026
★★★★★ 5
Versatile and Classic Shirt
Size: 3X-Large, Color: Tour Blue
The Cutter and Buck brand is a great value for the money with a wide range of sizes. They are comfortable and breathable with a timeless style that transitions from work to the golf course.
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Reviewed in the United States on November 11, 2025