STEP 20 SETTING FORK SAG You now need to measure the ‘sag’ of the fork. Sag is important as it allows the fork to work properly. With the help of a friend sit on the bike in a normal riding position in full riding gear, pedals level. Bounce up and down on the bike a few times and then gently sit back down. Do not touch the brakes. The rubber O-ring is on the left leg and is green (A). Get your friend to slide this down until it touches the top of the fork. Carefully get off the bike without further compressing the forks (your friend can help here by holding the handlebars so they don’t drop). When the bike is unweighted, the fork will be fully extended and leave a gap between the fork seal and the O-ring. The distance between these two is your sag measurement. You are looking for approximately 20% sag – which is 32mm. Use a ruler to measure the gap. Adjust the air pressure in your forks until you reach the correct sag measurement (B). If you don’t have enough air just pump more in using the shock pump that came with the tool kit. If you have too much air just briefly press the small button on the shock pump, this will release small amounts of air from the system. Once finished, replace the protective caps. A B 38
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