resistors

Could anyone please let me know whether I need resistors to fit new indicators? This site is offering a discounted version for the units without resistors. This is them: Traf-X Led indicator X-Light 02 Also might I need these? Definitely don't want to go cutting wires. Traf-X Indicators...

I've just finished fitting an Evotech tail tidy and the Yamaha LED indicators to my MT-07, I just need to finally position the load resistors to the rear of the bike to complete the job. The only place they seem to fit is in the plastic channel to the side of the storage compartment which also...