You can, but you don’t have to. 21″ will rise in front of the bike, but it will correct the head tube angle for a better front suspension angle of attack. You can compensate for it with a linkage riser.
You can, but you don’t have to. 21″ will rise in front of the bike, but it will correct the head tube angle for a better front suspension angle of attack. You can compensate for it with a linkage riser.