Well apparently mine is an H5 which seems to be advertised at 70 lumens so 700 may be overkill. 100 lumens is more than enough I think. There's a fair few non brand name ones on amazon, got to be worth a punt for 15 quid right.
It may depend on how technical the trail is & how tricky the nav. Worth a punt on a £15 er as it won't add lots if you find it's not enough, plus it'll no doubt have other uses - e.g. I wear cheapo headtorch when diy plumbing.
Well apparently mine is an H5 which seems to be advertised at 70 lumens so 700 may be overkill. 100 lumens is more than enough I think. There's a fair few non brand name ones on amazon, got to be worth a punt for 15 quid right.