Park Tool - CTP-4K Replacement Pin Kit for CT-4/4.2/4.3 S3-Colour-MIDNIGHT BLACK System Flo2 provides air to

System Flo2 provides air to flow around the foot

If assembling a seat-post: be sure to remove any grease trace inside the seat tube too

Thanks to the reflective accents on all sides

Spare O-ring

Park Tool - CTP-4K Replacement Pin Kit for CT-4/4.2/4.3 S3-Colour-MIDNIGHT BLACK System Flo2 provides air toPARK TOOL CTP 4K REPLACEMENT PIN KIT FOR CT 4 4. 2 4. 3 The CTP 4K includes four (4) replacement chain tool pins and one 5 32" ball bearing. To replace the chain tool pin, unscrew the cap, and pull out the old pin. Use care not to loose the ball bearing beneath the pin. Install the new pin and replace the cap. Works with the CT 4, CT 4. 2 or CT 4. 3.