Praxis Works 44t Road eRing 1x Narrow Wide Chainring is a purpose-built 1x e-road chainring for riders who want secure chain retention and longer wear under eBike torque. Built from forged and machined 7075-T6 alloy, this ring targets high-load use cases like e-road and e-gravel setups, including platforms such as the Trek Domane+ and Specialized Creo.
44T gearing for 1x road/e-road - Delivers a practical top-end for fast riding while keeping the drivetrain simpler than 2x
5-bolt 110mm BCD fit - Designed for crank spiders using the common 5x110mm bolt circle diameter standard
Forged + machined 7075-T6 - Higher-strength aluminum construction aimed at improved durability in high-torque eBike applications
Narrow-wide tooth profile - Improves chain retention for 1x drivetrains and reduces the chance of chain drop
Female-threaded eRing design - Requires an M8 chainring bolt; a standard male M8 chainring bolt threads directly into the ring for added motor clearance
Drivetrain compatibility - Compatible with 1x 10/11/12-speedShimano, KMC, and SRAM chains (including SRAM FlatTop); not compatible with Campagnolo 10/11/12/13-speed
In rough terrain or for additional security, an upper chain guide is still recommended.
Specifications & Identifiers
Chainline/Hub Compatibility
135/142 Road Disc Hubs < 415 mm , 135/142 Road Disc Hubs > 415 mm
Chainring BCD
110mm
Defined Color
Black
Designed for ebike
Yes
Direct Mount Type
N/A
Drivetrain Speeds
10, 11, 12
Material
7075 T6 Aluminum
Ring Position/Type
Chain Retaining Single Ring
Round or Oval
Round
Tooth Count
44t
UPC
850033390841
MPN
44-NW7001
Tree Fort ID:
333222478744
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