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USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
E*thirteen XCX Race Carbon Mountain (73mm) 175mm - BlackLightest production crank on the market Gen4 cranks have the spindle on the no drive side of the bcrank for easier chainguide setup and drivetrain maintenance Adjustable chainline accomodates, no Boost (142mm), Boost (148mm) and Super Boost (157mm) Now include an 8mm self extractor, meaning the cranks are removed with nothing more than an 8mm allen Carbon fiber crankarms and aluminum spindle w Quick Connect lockring and Adaptive Preload Adjuster
- Lightest production crank on the market- Gen4 cranks have the spindle on the no
-drive side of the bcrank for easier chainguide setup and drivetrain maintenance
- Adjustable chainline accomodates, no
-Boost (142mm), Boost (148mm) and Super Boost (157mm)
- Now include an 8mm self-extractor, meaning the cranks are removed with nothing more than an 8mm allen
- Carbon fiber crankarms and aluminum spindle w/ Quick Connect™ lockring and Adaptive Preload Adjuster (APS), compatible with all Quick Connect™ Guiderings
- 385g (73mm w/32T UL Chainring), 398g (68mm w/38T UL Chainring
Today's Stock Status
Currently not available
1 Available to ship in 2-4 Business Days
UPC: Not available
EAN: 4710751505278
Manufacturer Part Number: CS4XRA-104
EV8278 CK0156
144816-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
4.8 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Hermoso
Lindos, justo a mi medida
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
★★★★★ 5
Quick and Easy
Quick and easy process with only reasonable verifications, no obfuscations or strange, ridiculous requirements.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
★★★★★ 1
Be careful this is not a true warranty
This is not a warranty. This is a refund of original price. I returned my sunglasses expecting to get replacements instead I got a gift card aboriginal purchase price and to my surprise the glasses have gone up like $70 in price not a very good warranty system.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
★★★★★ 5
Fulfillment
Very happy with the solution
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
★★★★★ 4
Keep copies of insurance on your phone
The first call I made resulted in the tech not finding my contract and making no further effort (I wasn't home at the time). I found the contract and called back. Had to pay the difference of $30 to get another pair of glasses. Twice I've used Asurion insurance and both times a hassle, but finally resolved. You have to pay the price difference.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 21, 2025
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