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10 steps for crash assessment

From scratched bar ends to a snapped frame, if you've crashed your bike you'll want to know what's broken. Here's how to spot it

1 Use a Vernier gauge - or 'very near' gauge, as wry workshop types refer to them, to measure disc and rim runout. A small amount of runout - 2mm for discs, 4mm for wheels - should be okay, more isn't.