What headset does a Trek Emonda SLR (2024 on) use?
The headset fitment standard on a Trek Emonda SLR (2024 on), and how to pick the right part.
This frame's fitment
| Frame | Trek Emonda SLR (2024 on) |
|---|---|
| Headset standard | IS42 (integrated, 42 mm) |
| Cup / bearing outside diameter | 41.8 to 42.0 mm bearing outside diameter |
| Steerer diameter | 28.6 mm (1 1/8 in) |
The Trek Emonda SLR runs an integrated IS42 upper headset with a 28.6 mm steerer, a 27.2 mm class road seatpost interface, a 12x100 front thru-axle and a braze-on front-derailleur mount.
The 27.2 mm figure is the mainstream disc-road interface; Trek's own aero posts are proprietary in shape, so confirm the exact Trek post part. The bottom bracket on this frame is a threaded T47 shell, covered on its own page.
The part to buy
Search Amazon for IS42 for your Trek Emonda SLR (2024 on)affiliate searchFind IS42 for your Trek Emonda SLR (2024 on) on eBayaffiliate
Related fitment pages
IS42integrated, 42 mmBottom bracket for Trek Emonda SLR (2024 on)same frame, BB shellSeatpost diameter on a Trek Emonda SLR (2024 on)same frameIS42 on a Specialized Tarmac SL8 (2024 on)same standard, another frame
SOURCES: Park Tool, Standardized Headset Identification System (SHIS) · BikeGremlin, Bicycle headset bearing standards (SHIS) · BikeRadar, Road bike axle standards: the complete guide