Schwinn ISIS Bottom Bracket Bearing 1 7/8″

Schwinn Indoor Bike Bottom Bracket Bearing ISIS Type 1 7/8″. Lower Bearing Bracket suitable as a direct replacement for certain Schwinn Indoor Bike models with Splined Hole (Not Square).

Engineer Info: < Click Here > for the ISIS Removal Tool

This is an ISIS International Splinned Interface System (ISIS) and used with associated L/H and R/H Crank Arms with a round splined hole.
There are a few different size and type Lower Brackets used on the Schwinn Indoor Cycles this Lower Bracket has an Outside Diameter (O/D) of 1 7/8″ (approx 47mm). Check the mounting hole in the Bikes frame is also 1 7/8″ to ensure that they match.

Used On Certain Models: (Please check actual type and size before ordering)

Schwinn AC Classic
Schwinn AC Performance
Schwinn AC Sport
Schwinn IC Elite
Schwinn IC Evolution
Schwinn IC Evolution SR
Schwinn IC Pro
Schwinn Elite/SE

Maunfacture Ref: OEM Part Number-84990

Quantity: Sold Individually

Engineers Note: Any play within either the Pedal Axle or Drive Bearings will cause noise and in most cases the chain to ride off it’s toothed sprocket

Availability: 2- 3 Days 

Part Number: 1-0088