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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
SRAM X-Sync EX1 Sprocket Chainring for Bosch Motors 18T Straight SteelThe EX1 drive train was designed specifically for the demands of electric assist mountain bikes: a wide gear range with bigger jumps between gears and sturdy components to handle higher torque loads. Liberal use of features found on SRAMs high end MTB parts provide high value, quiet operation and ease of service. X Sync (wide narrow) tooth profiles for great chain management Compatible with Bosch mid drive E bike systems Product Specifics Tooth Count:
The EX1 drive train was designed specifically for the demands of electric-assist mountain bikes: a wide gear range with bigger jumps between gears and sturdy components to handle higher torque loads. Liberal use of features found on SRAM’s high end MTB parts provide high value, quiet operation and ease of service.- X-Sync (wide-narrow) tooth profiles for great chain management
- Compatible with Bosch mid-drive E-bike systems
Product Specifics
- Tooth Count: 18
- Round or Oval: Round
- Drivetrain Speeds: 8
- Drivetrain Speeds: 9
- Drivetrain Speeds: 10
- Drivetrain Speeds: 11
- Direct Mount Type: Direct Mount Bosch Gen 2
- Defined Color: Black
- Ring Position/Type: Chain Retaining Single Ring
- Chainring BCD: Direct Mount Bosch
- Color: Black
Today's Stock Status
10+ Available to ship in 2-4 Business Days
UPC: 710845793622
EAN: Not available
Manufacturer Part Number: 00.6218.007.002
GS50617 CK2142 391038-03
156815-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 1894 reviews
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Product Reviews
★★★★★ 5
Good
Works great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2026
★★★★★ 5
Noticeable Improvement in Engine Smoothness
Size: 150 ml, Pack of 1
I decided to try LIQUI MOLY Valve Clean to help keep the intake valves clean and maintain engine performance, and I’m really impressed with the results. After adding it to the fuel tank and running through a full tank of gas, the engine felt noticeably smoother and more responsive.
It’s very easy to use—just pour it into the fuel tank as directed. I also like that it’s from LIQUI MOLY, a brand known for high-quality automotive additives.
While it’s not a miracle fix for serious mechanical issues, it’s a great preventative maintenance product to help reduce deposits and keep the engine running efficiently. I plan to use it periodically as part of my regular maintenance routine.
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Reviewed in the United States on March 7, 2026
★★★★★ 5
Must have.
Size: 150 ml, Pack of 1
Very good product, works great.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Good for routine engine care
Size: 150 ml, Pack of 1
Definitely not a cure-all for major mechanical problems, but it works well as a preventative step. It helps lessen deposits and keeps the engine running smoothly. I intend to use it regularly as part of my maintenance schedule to keep everything in good shape.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Worth the money
Size: 150 ml, Pack of 1
Great line of car products. My BMW gets better gas mileage when I use it regularly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
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