Praxis Narrow Wide Direct Threaded 104 BCD E-RING - Black
Cold forged from 4130 high-grade steel, our MTN E-Rings are designed specifically for e-MTN and lo...Cold forged from 4130 high-grade steel, our MTN E-Rings are designed specifically for e-MTN and longer wear. These MTN E-Rings are female threaded for an M8 chain ring bolt. The M8 CR bolt threads directly into the 104BCD ring for better motor clearance. New Narrow Wide tooth profile. Sram and Shimano 10, 11 and 12 speed compatible. 4 Bolt 104 BCD. Cold forged from high grade 4130 Cro-moly steel. Buy this if You want to change gearing/refresh the ring on your 104BCD E-MTN Spider please make sure your spider is 104BCD and NOT the smaller 94BCD. Cold Forged | High Grade 4130 grade steel | Black Oxide finish. 32T / 34T / 36T 32T = 98g Compatibility Shimano / SRAM / KMC - All regular or 'Flat Top' 10 / 11 / 12spd Compatible SHIMANO - Compatible with both mechanical and Di2 Shimano 10/11/12spd. SRAM - Compatible with both mechanical and Wireless SRAM 10/11/12spd Must use a 'CLUTCH' style derailleur. ex: Shimano Shadow or SRAM Type2 GUIDE- In rough terrain, or just for pure security, we still recommend use of an upper guide. MOUNTING Logos always face outward!
This guide is for e-MTB riders looking to upgrade or replace their chainring. The Praxis Narrow Wide Direct Threaded 104 BCD E-RING offers enhanced durability and improved motor clearance for a smoother and more reliable riding experience. Keep in mind that this E-RING is specifically designed for 104 BCD spiders and is not compatible with 94 BCD spiders.
All features
Material
Nylon
Model Part Number
850033390520
Brand
Praxis
Extended Product Information
FAQs
What tools are needed for installation?
You'll need a chainring bolt wrench or a set of Allen keys for tightening the bolts to the correct torque specification.
Is this chainring compatible with my 94 BCD spider?
No, this chainring is specifically designed for 104 BCD spiders.
What is the recommended torque for the chainring bolts?
Refer to the chainring bolt manufacturer's specifications for the correct torque.
Can I use this chainring with a standard derailleur?
For optimal performance, use a 'CLUTCH' style derailleur (e.g., Shimano Shadow or SRAM Type 2).
How do I know which size chainring to choose?
The size depends on your riding style and the terrain. 32T, 34T, and 36T options are available. Refer to the table.
How do I clean the chainring?
Use a degreaser and a brush to remove dirt and grime. Rinse thoroughly and dry before reassembling.
How long does a chainring last?
The lifespan depends on riding conditions and maintenance. Regularly inspect the chainring for wear. Replace when teeth are worn or damaged.
What type of chain is recommended?
Compatible with Shimano, SRAM, and KMC 10, 11, and 12-speed chains. Make sure your chain is compatible with your cassette.
Troubleshooting
Chain drops frequently.
Ensure the chain and derailleur are properly adjusted. Check for chain wear and replace if necessary. Consider using an upper chain guide.
Chain rubs against the ring.
Verify the chainline is correct and that the chainring is properly aligned. Adjust the front derailleur (if applicable) and check for any bent chainring teeth.
Difficulty shifting.
Inspect and adjust the rear derailleur. Ensure the chain is compatible with the number of speeds on your cassette.
Pros and Cons
Pros
Improved motor clearance due to the direct threaded design.
Enhanced chain retention from the narrow-wide tooth profile.
Superior durability from the high-grade 4130 Cro-moly steel construction.
Wide compatibility with various Shimano, SRAM, and KMC drivetrains.
Available in multiple sizes to match rider needs.
Corrosion resistance with the black oxide finish.
Cons
Requires a 104 BCD spider for installation; not compatible with 94 BCD.
May require an upper guide for very rough terrain.
Clutch-style derailleur is required for optimal performance (e.g., Shimano Shadow or SRAM Type 2).
Installation requires specific tools for proper torque application.
Setup, Compatibility & Care
Installation:
Ensure your spider is 104 BCD.
Use M8 chainring bolts to thread directly into the E-RING.
Ensure the logos always face outward.
Torque bolts to the manufacturer's recommended specifications.
Compatibility:
Compatible with Shimano, SRAM, and KMC 10, 11, and 12-speed drivetrains.
Must use a 'CLUTCH' style derailleur (Shimano Shadow or SRAM Type 2) for optimal performance.
Care:
Regularly inspect the chainring for wear and tear.
Clean the chainring with a degreaser and a brush after riding in muddy or dirty conditions.
Replace the chainring when the teeth show excessive wear or damage.