Drivetrain

    This FAQ answers the most common questions about the drivetrain on the Spindrift 4 CF.

    Q: What bottom bracket is fitted?

    A: A threaded BSA-73 bottom bracket is fitted.

    Q: What chain line and chain guide standard does the bike have?

    A: The chain line is 52 mm (Boost). ISCG 05 is used as the chain guide standard. The chainring has a 3 mm offset.

    Q: What derailleur hanger is used?

    A: The bike uses the SRAM Universal Derailleur Hanger (UDH), unless a SRAM Transmission (direct mount) drivetrain is fitted. With a Transmission drivetrain, the hanger is not required.

    Q: What axle standard does the bike use?

    A: The front uses a 15 x 110 mm (Boost) thru-axle, the rear a 12 x 148 mm (Boost) thru-axle.

    Still have questions?

    This FAQ covers the most common questions about the drivetrain on the Spindrift 4 CF. For individual questions about compatibility or fitting, please contact a specialist workshop near you or reach out directly to our Customer Success team – we're happy to help.