e*thirteen UL Guidering Direct Mount Boost Chainring
From $124.99
From $47.10
UL Chainrings are the lightest 1x XC/Gravel chainrings on the market.
Using the SL Chainring as the platform, they have 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.
Features
Lightest 1x chainring on the market.
Ultralight design, minimal aesthetics.
Updated M3 tooth profile.
Specifications
| 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) |
| Colour | Black |
| Compatibility | 10/11/12 speed. Compatible with both Shimano and SRAM 12 speed drivetrains. UL Chainrings are -5mm (Boost) offset for use with XCX Race MTB cranks on Boost bikes. If you're installing XCX Race MTB Cranks onto a non-Boost (142mm) bike, please use SL Chainrings. ALL XCX Gravel applications will use the UL ring. |
| Material | 7050 Aluminum |
| Mount | QuickConnect |
| Teeth | 30-42t options |
| Weight | 30t: 52g 32t: 54g 34t: 58g 36t: 64g 38t: 70g 40t: 79g 42t: 86g |
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