What bottom bracket does a Colnago C68 (2020 on) use?
The bottom bracket shell standard on a Colnago C68 (2020 on), and how to pick the right BB.
This frame's shell
| Frame | Colnago C68 (2020 on) |
|---|---|
| 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
The Colnago C68 uses an 86 mm T47 threaded shell.
The C68 is threaded T47, not the Italian thread of older Colnago frames. Measure and confirm 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: Eminence Cycle Co, WorldTour Road Bike Bottom Bracket Standards 2020-2026 · The Pro's Closet, Bottom Bracket Identification Guide · White Industries, Internal T47 Bottom Bracket · Escape Collective, Threaded #12: the woes of T47 bottom brackets