What bottom bracket does a Bianchi Oltre XR4 (2020 on) use?
The bottom bracket shell standard on a Bianchi Oltre XR4 (2020 on), and how to pick the right BB.
This frame's shell
| Frame | Bianchi Oltre XR4 (2020 on) |
|---|---|
| Shell standard | Italian threaded (36 mm x 24 TPI) |
| Shell inside diameter | 35 mm threaded bore |
| Shell width | 70 mm |
SHELL 70 mm
SPINDLE see table
SPINDLE see table
The Bianchi Oltre XR4 uses a 70 mm Italian threaded shell (36 mm x 24 TPI).
Both Italian cups are right-hand thread. A 68 mm BSA BB will not fit the 70 mm Italian shell.
The bottom bracket to buy
Search Amazon for Italian threaded bottom bracket for your crank spindleaffiliate searchFind Italian threaded bottom bracket for your crank spindle on eBayaffiliate
Fit a crank to this shell
Italian threaded shell36 mm x 24 TPIShimano Hollowtech II (24 mm) in a Italian threaded shelldrops inSRAM DUB (28.99 mm) in a Italian threaded shellnot a simple fitBottom bracket for Specialized Tarmac SL8 (2024 on)related shell
SOURCES: Eminence Cycle Co, WorldTour Road Bike Bottom Bracket Standards 2020-2026 · Park Tool, Bottom Bracket Standards and Terminology · The Pro's Closet, Bottom Bracket Identification Guide