u can install them easily....they come as a pair of semi circles, just slide theold ones out and take thesprings of one and out them on the other.......than just do vice versa of how youtook them off.......i didntneed any tools to replacemine and im not pro mechanic... im only 14...u ushould have no problem.....if you have any old partsorreplacment parts from this bike that ure not using please tell me... i need to buy some parts for my FA50