Our Calfee Tetra is 5 years old today. In that 5 years we have ridden it 29,000 miles in Illinois, Indiana, Michigan, Wisconsin, Tennessee, Florida, Texas and Oklahoma.
It has received several updates: Cranks, Gates belt drive, Wheels, Saddles, Handlebars, Stoker Seatpost, Pedals, Water bottle cages and the Stoker stem. I also reduced the rear wheel spacing from 145 to 132.
We are still thrilled with the bike! The current plan is to ride it another 5 years and then see what the market is doing. I have resisted updating to 11 speed and electronic shifting, maybe someday in the future.
The two big issues have been saddles and wheels, it took several attempts to find saddles that we were both comfortable with (we are both using John Cobb saddles) and 4 sets of wheels before I was satisfied.
Here are pictures from 5 years ago and from today.