Trek x cal 7 upgrade to 1x Forums › Mountain Bike Forum › Trek x cal 7 upgrade to 1x --SHARES Tweet Add to Flipboard Magazine. This topic contains 0 replies, has 1 voice, and was last updated by Uknowedt 3 months, 3 weeks ago. Author Posts September 25, 2019 at 8:11 pm #270754 Uknowedt <p style=”text-align: center;”>Looking to see if this is a possibilities I am realizing that I need for gears to get thru stuff. I have a 2×9 shimano with press fit bottom bracket.</p> Thanks for the ideas In advance. Author Posts Topic Voices Posts Freshness What was your first mountain bike? Started by: Jeff Barber in: Mountain Bike Forum 117 127 2 days, 2 hours ago Mountain Bikes and Motor Your best crash story Started by: Juan_Gear in: Mountain Bike Forum 117 254 2 months, 2 weeks ago western biker Post Pictures Of Your Rigs Here! (Part 2) Started by: Jeepmb in: Mountain Bike Forum 105 262 1 month ago Sunspot Got a "home" trail? Started by: Fitch in: Mountain Bike Forum 76 91 7 months, 2 weeks ago pauldominy MTB Photo Post Started by: Greg Heil in: Mountain Bike Forum 60 541 2 years, 6 months ago calebaz You must be logged in to reply to this topic.