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ethirteen eSpec Aluminum Bosch CX Gen4 Direct Mount Chainring Black

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ethirteen’s new direct mount espec chainrings use their new M3 narrow-wide tooth profile, reducing weight without sacrificing chain-retention, making the SL and UL chainrings lighter and more stylish than their predecessors. These ones are designed to work with Bosch motor configurations.
• Part Numbers: 34T: CR4UPA-100, 36T: CR4UPA-101, 38T: CR4UPA-102 • Capacity: 11 and 12-Speed Drivetrain Systems • Chain retention: Updated M3 narrow-wide tooth profile eliminates chain noise and decreases wear • Chainline: 52mm or 53mm (Boost chainline) • Chainring: M3 narrow-wide tooth profile • Colour: Black • Compatibility: Bosch • Features: Lightweight and durable design, minimal aesthetics, and updated M3 tooth profile. • Material: 7050 Aluminium • Mount: QuickConnect™ • Teeth: 34t, 36t, 38t • Weight: 34T: 117g, 36T: 148g, 38T: 174g