ISIS Bottom Bracket (Schwinn) (fits item -29a)

Description

The ISIS Bottom Bracket (Schwinn) is a direct replacement indoor cycling part designed for the Schwinn IC Pro / Johnny G Pro Spinner® platform. It supports the ISIS crank interface and mates with the right crank and sprocket assembly identified as item -29a, restoring smooth, stable pedaling on your bike.

• Fits Schwinn Johnny G Pro Spinner® indoor cycles using an ISIS-style crank setup.
• Designed to work with the matching right crank arm and sprocket assembly, item -29a.
• Commonly referenced for IC Pro and Johnny G Pro style bikes with ISIS crank interface.
• Suitable when replacing a worn schwinn isis bottom bracket that has developed play, roughness, or noise.
• Ideal for a johnny g pro spinner® isis bottom bracket replacement during drivetrain service or crank repair.

This sealed cartridge-style bottom bracket is built for dependable indoor cycle use, helping maintain proper crank alignment and consistent power transfer. It is intended for Schwinn bikes equipped with an ISIS spindle system rather than square-taper assemblies, so confirming your crank type before ordering is recommended. As an OEM-style replacement, it is made to match the original fit and function for compatible bikes. Installation is typically considered a moderate DIY repair and may require crank puller and bottom bracket tools. If your bike uses the schwinn ic pro drivetrain with item -29a, this part is the correct service solution.

Get your bike back to a solid, quiet ride with an OEM-quality replacement that ships same day from our warehouse.