Halfords Advanced Super Brilliance
Price: £29.98 Beam: 52.9
A poorly defined cut-off meant these bulbs had to be adjusted low to avoid glare for oncoming cars, which hurt their overall chances. The beam’s brightest spot struggled to reach the 75-metre mark, and elsewhere it was a touch darker than rivals. Halfords is currently running its regular winter buy-one-get-one-free offer on bulbs, so a pair now costs a more reasonable £14.99.
