Question 1 of 5

Open Radius Here’s a view of an open-radius corner. Which line would you ride?

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Open Radius

Here’s the correct line you would take for this open-radius corner. It’s one of the easiest because as soon as you turn in, you’re effectively on the apex and the corner opens right out in front of you. The key, as on any corner, is to stay wide until you can see what the corner is doing. Only when you can see the exit do you know where to make your apex.

Question 2 of 5

ACC Map 04 ClosedRadius A Here’s a view of a tightening-radius corner. Which line would you ride?

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Closed Radius

Here’s the correct line you would take for this tightening-radius corner.

This type of corner catches riders out because it tightens as you go around it. Look out for the extra signage that’s normally on these corners, and use the vanishing point to help judge your speed. Stay wide until you can see the exit. Don’t be tempted to turn in tight, to what you think should be the apex, because the corner will then tighten, pushing you wide.

Question 3 of 5

ACC Map 03 ConstantRadius A Here’s a view of a constant-radius corner. Which line would you ride?

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Constant Radius

Here’s the correct line you would take for this constant-radius corner. This is the correct line because the rider stays wide until they see the exit, then they turn in tight to make a late apex, with no drifting out.

Question 4 of 5

ACC Map 02 DoubleApex A Here’s a view of a double-apex corner. Which line would you ride?

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Double Apex

Here’s the correct line you would take for this double-apex corner which is effectively two corners. Stay wide and don’t commit to fully turning in until you see the exit. Once in the corner, you’ll see the next corner approaching, so this time allow the bike to go to the outside on exit, because that sets you up for the second apex, just like another corner.

A common issue to watch out for is crossing the centre line by turning in too soon on the first part of the corner.

Question 5 of 5

ACC Map 01 S Bend A2 Here’s a view of an S-bend corner. Which line would you ride?

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S Bend

Here’s the correct line you would take for this S-bend corner. The principle is the same as a double-apex corner: treat it as two corners that flow into one another, though this time in different directions.

Stay wide until you see the exit of turn one, make a late apex and stay tight after it. Then you’re perfectly positioned for the second turn and second apex: wide in, look for the exit, make a late apex.