eThirteen Ultralight Guidering chainring boost 5mm Offset black

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  • UL Chainrings are the lightest 1x XC/Gravel chainrings on the market. Using the SL Chainring as the platform, we tweaked the arm design and strategically machined the chainring so that only minimal sacrifice was made in impact strength for large gains in weight reduction.

    • Chain retention: Updated M3 narrow-wide tooth profile eliminates chain noise, and decreases overall system wear
    • Chainline: TRS/LG1 Cranks: UL Chainring for SuperBoost chainline. SL Chainring for non-Boost and Boost chainline
    • XCX Mountain Cranks: UL Chainring for Boost chainline. SL Chainring for non-Boost chainline
    • XCX Gravel Cranks: UL Chainring for non-Boost chainline (142mm rear hub spacing)
    • Color: Black
    • Compatibility: 10/11/12 speed, compatible with both Shimano and SRAM 12 speed drivetrains
    • Features: Lightest 1x chainring on the market. Ultralight design, minimal aesthetics, and updated M3 tooth profile.
    • Material: 7050 Aluminum
    • Mount: QuickConnect
    • Teeth: 32-42t options
    • Weight: 32t / 54g, 36t / 64g, 38t / 70g, 40t / 79g, 42t / 86g
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