Replacement springs and pawls for the Mission Engage cassette hub. Pawls and springs are the bits doing the hard work every time you back pedal and drive forward, so when the engagement starts skipping or feeling vague it's usually these that need attention. A straightforward service part to get your cassette driving properly again, and worth keeping in the toolbox before you actually need it.

• Mission Engage cassette hub spring and pawl set
• Replacement service part
• Suits freestyle BMX