GiantRiderX4 0 points (view top contributors) > Forum Activity Forum Topics Started Viewing 2 topics - 1 through 2 (of 2 total) Topic Voices Posts Freshness How to tell when you need to "retire" a tire ? Started by: GiantRiderX4 in: Mountain Bike Forum 8 13 14 years, 6 months ago Nickk How often to do you change your psi before a ride ? Started by: GiantRiderX4 in: Mountain Bike Forum 11 19 14 years, 6 months ago fullboar Viewing 2 topics - 1 through 2 (of 2 total)