What bottom bracket does a Cervelo Aspero (T47A models) use?
The bottom bracket shell standard on a Cervelo Aspero (T47A models), and how to pick the right BB.
This frame's shell
| Frame | Cervelo Aspero (T47A models) |
|---|---|
| Shell standard | T47 internal (T47-85.5 / T47-86 / T47-92) (M47 x 1.0, 85.5-92 mm) |
| Shell inside diameter | about 46 mm bore, cut with an M47 x 1.0 thread |
| Shell width | 85.5 mm, 86 mm and 92 mm |
SHELL 85.5 mm, 86 mm and 92 mm
SPINDLE see table
SPINDLE see table
Some Cervelo Aspero and Soloist frames use an asymmetric T47A threaded shell, delivering BBright geometry through a threaded interface.
Check whether your Aspero is BBright press fit or T47A threaded; they are not interchangeable. T47A is an asymmetric variant of the M47 x 1.0 thread.
The bottom bracket to buy
Search Amazon for T47 internal (T47-85.5 / T47-86 / T47-92) bottom bracket for your crank spindleaffiliate searchFind T47 internal (T47-85.5 / T47-86 / T47-92) bottom bracket for your crank spindle on eBayaffiliate
Fit a crank to this shell
T47 internal (T47-85.5 / T47-86 / T47-92) shellM47 x 1.0, 85.5-92 mmSRAM DUB (28.99 mm) in a T47 internal (T47-85.5 / T47-86 / T47-92) shelldrops inBottom bracket for Trek Emonda SLR (2024 on)also T47 internal (T47-85.5 / T47-86 / T47-92)
SOURCES: Cycling Weekly, Road bike bottom bracket standards explained · Escape Collective, Threaded #12: the woes of T47 bottom brackets · White Industries, Internal T47 Bottom Bracket