Derbi Piston Port and Pyramid Reed Output Shaft - Version 3 put The 6302 bearing may be

The 6302 bearing may be shielded

Split exhaust port

it doesn't just fit on a TSM frame

The final assembly utilizes stainless steel riveted clamps producing a sealing area of exceptional mechanical strength in turn eliminating any exhaust gas leakage

to create a bottleneck-free exhaust which

Derbi Piston Port and Pyramid Reed Output Shaft - Version 3 put The 6302 bearing may beNew old stock output shaft for Derbi Piston Port and Pyramid Reed engines. This is an alternative version with threads to retain the sprocket. Has 10 teeth on the sprocket. These are very old but never used. Expect some mild surface rust in spots.