I'm Looking for a new frame to ride both road and gravel with two different wheelsets. I already have a Shockstop stem so I thought the Vault's Iso-flex would make a great gravel rig that would be comfortable on MN's bad roads with a 28mm tire on the second wheel set.
I have put 450 miles on this bike. Coming off of a Ridley X-Night SL frame there is a noticeable difference in ride quality. This frame is STIFF with regard to power transfer, but does have a rather compliant ride quality. The ISO flex bumper system is not in any way a suspension system - it does, however, soften the small vibrations and road chatter. I also have a Lynskey GR270 frame that I ride on occasion and it is definitely "softer". I ride in Northern Virginia and we have a mix of every type of surface. I have 37's on carbon rims and feel perfectly suited riding our local paved trails, asphalt connector roads. I haven't put smaller tires on it yet, but I feel it would certainly double as a suitable road bike particularly on rolling / hilly terrain.
Hi K, Thanks for the information! I have one of the Ergon CF3 seatposts and that probably would give similar vibration and small bump compliance. Interestingly I have a Lynskey Pro GR with the 6.4 Ti and it is very stiff at the BB/acceleration but only OK for gravel pounding. Heavy frame also. I'm looking at the Pivot to lose some weight and with a shockstop stem to be good to me on gravel and bad pavement. Can I ask how tall you are and what size you bought? Thanks again for the input.
I am 5'9" ish and bought a medium. I usually ride 25-45 miles, nothing really long on a regular basis and will be changing back to 35's for most rides because this frame is comfortable enough for those. I also have a pair of 28's I plan to put on a second wheelset to use on some road rides. This bike came out to about 17.5 pounds with the current setup. Overall it's a nice frame and well designed. The access plate on the bottom of the downtube is great for installing / maintaining di2 battery and cables.
I have put 450 miles on this bike. Coming off of a Ridley X-Night SL frame there is a noticeable difference in ride quality. This frame is STIFF with regard to power transfer, but does have a rather compliant ride quality. The ISO flex bumper system is not in any way a suspension system - it does, however, soften the small vibrations and road chatter. I also have a Lynskey GR270 frame that I ride on occasion and it is definitely "softer". I ride in Northern Virginia and we have a mix of every type of surface. I have 37's on carbon rims and feel perfectly suited riding our local paved trails, asphalt connector roads. I haven't put smaller tires on it yet, but I feel it would certainly double as a suitable road bike particularly on rolling / hilly terrain.