e*thirteen
e*thirteen UL Ultralight Direct Mount Chainring
e*thirteen UL Ultralight Direct Mount Chainring
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UL Chainrings are the lightest 1x XC/Gravel chainrings in the e*thirteen range. 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.
UL Chainrings are: -5mm (Boost: 52mm) 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.
| Chain retention | Updated M3 narrow-wide tooth profile eliminates chain noise, and decreases overall system wear. |
| Chainline | TRS/LG1 Cranks: UL Chainring for SuperBoost (55mm) chainline. SL Chainring for non-Boost and Boost chainline. XCX Mountain Cranks: UL Chainring for Boost (52mm) chainline. SL Chainring for non-Boost (49mm) chainline. Helix Chainring + 1mm Spacer for SuperBoost (55mm) chainline. XCX Gravel Cranks: UL Chainring for non-Boost chainline (142mm rear hub spacing) |
| Color | Black |
|
Drive-Train |
10/11/12 speed. Compatible with both Shimano™ and SRAM™ 12 speed drivetrains. |
|
Crank |
Compatible with: Legacy e*thirteen cranks with direct mount interface, All TRS Cranks, All LG1 cranks. XCX cranks Not compatible with: Helix |
| Material |
7050 Aluminum
|
| Teeth |
30-42t options
|
| Weight | 30t: 52g 32t: 54g 34t: 58g 36t: 64g 38t: 70g 40t: 79g 42t: 86g |
UL Chainrings are not compatible with Helix cranks. Helix cranks require Helix rings.
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