What bottom bracket does a Trek Madone SLR Gen 6 to 7 (2020 to 2023) use?
The bottom bracket shell standard on a Trek Madone SLR Gen 6 to 7 (2020 to 2023), and how to pick the right BB.
This frame's shell
| Frame | Trek Madone SLR Gen 6 to 7 (2020 to 2023) |
|---|---|
| Shell standard | Trek BB90 press fit (road) (37 mm bore, 90.5 mm) |
| Shell inside diameter | 37 mm smooth press-fit bore |
| Shell width | 90.5 mm |
SHELL 90.5 mm
SPINDLE see table
SPINDLE see table
The Trek Madone SLR Gen 6 and 7 use BB90, a 37 mm press-fit bore 90.5 mm wide with bearings in moulded carbon seats.
It is a 24 mm-only bore, so a 30 mm crank will not fit. The Gen 8 Madone moved to threaded T47.
The bottom bracket to buy
Search Amazon for Trek BB90 press fit (road) bottom bracket for your crank spindleaffiliate searchFind Trek BB90 press fit (road) bottom bracket for your crank spindle on eBayaffiliate
Fit a crank to this shell
Trek BB90 press fit (road) shell37 mm bore, 90.5 mmShimano Hollowtech II (24 mm) in a Trek BB90 press fit (road) shelldrops inBottom bracket for Trek Emonda SLR (2020 to 2023)also Trek BB90 press fit (road)
SOURCES: Eminence Cycle Co, WorldTour Road Bike Bottom Bracket Standards 2020-2026 · Wheels Manufacturing, Trek BB90/95 Technical Info · BikeRadar, I won't miss BB90, the worst bottom bracket standard