Shimano T47 External Bearing Bottom Bracket – Ceramic
T47 External Bearing bottom bracket designed for installing a Shimano™ Hollowtech II crankset into T47 threaded frames (68 mm Road or 73 mm MTN).
SPECS
SKU: 47-5001
Categories: Bottom Bracket, Shimano BB
Model: T47 E.B. 68/73 mm Shimano Ceramic
SPECIFICATIONS
Product: Shimano T47 External Bearing Bottom Bracket
Application: For installing a Shimano™ Hollowtech II crank into a T47 External Bearing threaded frame.
Buy This If
You are installing a Shimano™ Hollowtech II Road crank into a 68 mm or 73 mm width T47 external bearing road frame.
Measurements
Road: 68 mm width – Threaded
MTN: 73 mm width – Threaded
Bearings
Ceramic bearings
Specifically designed for Shimano Hollowtech II crank spindles
Ceramic version rating: Grade 5 / ABEC 5
24 mm drive-side bearing
24 mm non-drive-side bearing
Tool Compatibility
Use any standard outboard cup bottom bracket tool with 16 external notches and 44 mm inner diameter.
Manufacturing
Forged and machined heat-treated alloy cups
Average Weight
104 g
Note
Manufactured precisely according to Shimano bearing stance specifications for optimal fit and performance.