Ask a Mechanic | Choosing Lightweight Road Cranks & Fixing BB30 Crank Creaking Ask a Mechanic | Choosing Lightweight Road Cranks & Fixing BB30 Crank Creaking Daniel2014-03-05T16:12:50-08:00 Welcome to our Ask a Mechanic column where our expert mechanic Daniel Slusser answers Ask a Mechanic | Choosing Lightweight Road Cranks & Fixing BB30 Crank CreakingDaniel2014-03-05T16:12:50-08:00