FSA bottom bracket spindle Power Drive 68 x 108mm (BB8420AL)

FSA bottom bracket spindle Power Drive 68 x 108mm (BB8420AL)

FSA POWER DRIVE bottom bracket (BB8420AL)

The FSA Power Drive BB8420AL bottom bracket is designed for cranks with the PowerDrive system, which uses a seat with a tapered fit similar to the JIS standard. This bottom bracket provides a firm and precise connection between the cranks and the frame, ensures smooth running and a long service life. The BB8420AL variant is ideal for mountain and trekking bikes with a 68–73mm shell.

Features and benefits:

• Compatible with the FSA PowerDrive system – designed for FSA cranks with the corresponding square taper.

• Sealed bearings – protected against dust, water and dirt for a long service life.

• Steel spindle – high strength and stiffness when pedalling.

• Aluminium cups (AL) – low weight and corrosion resistance.

• Easy installation into a threaded BSA bottom bracket.

Technical specifications:

• Model: FSA Power Drive BB8420AL

• Thread standard: BSA (1.37” × 24 TPI)

• Shell width: 68 / 73 mm

• Spindle length: 122.5 mm

• Spindle type: PowerDrive

• Cup material: aluminium (AL)

• Bearings: sealed, industrial

• Weight: approx. 290 g

Use and recommendations:

An ideal choice for MTB, trekking and fitness bikes that use FSA cranks with the PowerDrive system. Thanks to the sealed bearings and quality construction it is suitable for everyday as well as sport use in various conditions.