e*spec Direct Mount Chainrings use e*thirteen's M3 narrow-wide tooth profile which reduces weight without sacrificing chain-retention. These lightweight and well-designed chainrings are adapted to work with Brose S Mag eBike motor configurations.The M3 dual width tooth profile eliminates chain noise and decreases overall system wear 53mm Boost chainline 7050 Aluminum
| Tooth Count | 38 |
| Material | Aluminum |
| Color | Black |
| Designed for ebike | Yes |
| Defined Color | Black |
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$19.99 | $24.99
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$19.99 | $24.99
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$19.99 | $24.99
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