ISIS Overdrive Bottom Bracket (2004-present) (fits item -1a)

Description

The ISIS Overdrive Bottom Bracket is a direct replacement bottom bracket for select Schwinn indoor cycles, restoring smooth crank rotation and solid pedal feel on 2004-present Elite-style bikes. If you are sourcing schwinn elite parts, this assembly is designed to fit the Schwinn frame and crank interface used with item -1a.

• Fits Schwinn IC Elite bikes from 2004-current, including the silver-frame 2004-and-current revision.
• Compatible with Schwinn indoor cycles using an ISIS Overdrive splined bottom bracket and crank setup.
• Commonly associated with replacement bottom bracket part references such as 84990 and overdrive 68 x 113 style assemblies used on later Schwinn Elite/IC platforms.
• Not intended for many 2003 and earlier bikes that used square-taper crank systems instead of ISIS.

This elite parts and isis overdrive bottom bracket replacement is built to support the high-load pedaling demands of commercial and home studio cycling. The ISIS Overdrive design uses a splined spindle interface for a secure crank connection and dependable power transfer, while the cartridge-style construction helps protect the bearings from sweat and daily wear. It is an ideal schwinn isis overdrive bottom bracket solution when your original unit feels rough, loose, noisy, or has developed side-to-side play. Installation is moderate for most DIY users and typically requires the correct ISIS/Overdrive bottom bracket tool for removal and threading.

Count on an OEM-quality replacement fit, smooth operation, and easy DIY installation. Ships same day from our warehouse.

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