Short Description
The Shimano BB-RS501 Italian Thread Bottom Bracket delivers smooth, reliable performance for Shimano 24 mm two-piece road cranksets. Featuring durable outboard bearings and a 70 mm Italian-threaded fitment, it is an ideal replacement for compatible road bikes.
Key Features
- Italian Thread: Designed specifically for frames using the M36 x 24T Italian threaded bottom bracket standard
- Shimano 24 mm Compatibility: Suitable for compatible Shimano two-piece road cranksets with a 24 mm spindle
- Outboard Bearings: Provides excellent crank support for smooth and efficient pedalling
- Low-Friction Performance: Minimal bearing interface helps provide smooth rolling performance
- Durable Construction: Designed for dependable everyday road cycling performance
- Easy Installation: Threaded cup design allows straightforward installation and servicing
Product Overview
The Shimano BB-RS501 Italian Thread Bottom Bracket is a dependable replacement bottom bracket for road bikes equipped with a 70 mm Italian-threaded bottom bracket shell. Designed for Shimano two-piece road cranksets using a 24 mm spindle, its outboard bearing design provides excellent support while maintaining smooth and efficient crank rotation. Shimano's proven bearing and sealing technology helps provide reliable performance and durability for regular road riding, training and everyday cycling. It is an excellent choice when replacing a worn bottom bracket on a compatible Italian-threaded road frame.
Specifications
- Brand: Shimano
- Model: BB-RS501
- Product Type: Threaded Bottom Bracket
- Bottom Bracket Type: Outboard Bearing Cups
- Thread Standard: Italian / ITA
- Thread: M36 x 24T
- Shell Width: 70 mm
- Crank Spindle Compatibility: 24 mm
- Crankset Type: Shimano Two-Piece Road Cranksets
- Discipline: Road
- Manufacturer Part Number: EBBRS501I
- GTIN: 4550170640620
Ideal For
- Road bikes with Italian-threaded bottom bracket shells
- Compatible Shimano 24 mm road cranksets
- Replacing worn or rough-running bottom bracket bearings
- Road riders looking for dependable Shimano drivetrain performance
What’s Included
- 1 × Shimano BB-RS501 Italian Thread Bottom Bracket
- Left and right bearing cups
- Inner sleeve
Care & Notes
This is the Italian-threaded version for 70 mm bottom bracket shells. Check your frame's bottom bracket standard before ordering, as it is not interchangeable with the more common BSA/English threaded version. Installation using the correct Shimano-compatible bottom bracket tool and manufacturer torque specifications is recommended.
Why Buy From LK Bikes
LK Bikes offers genuine Shimano components backed by expert advice, reliable service and strong aftersales support.
