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Welding might work, but you'd have to be careful about changing the temper of the metal. I don't think a stopper on its own would be useful, because the problem is the overall flex of the many parts/joints of the Q front end. Every bit of flex steals a bit of the work you put into pedaling...

Yup. Do it! I recently swapped out the suspension fork in my Q2 and it dramatically stiffened the bike. See the recent threads "replacement fork" and "upgrading a Q2" for in-depth discussions of this, including a lot of detail of the steps. The parts are available from Rose City Recumbents in...

I bought the new boom and slider from that wonderful bike shop Rose City Recumbents in Portland. I'm close enough to just show up there, but I bet you can get the parts by phone or email (@Robert Holler). Plus, you'll get good advice from him about any possible complications, and he will know if...

Might as well mention that should you be replacing or removing your fork, this joint is the first one to align and tighten. The reason is that the two "flanges" of the chainstay (orange in the photo) must be precisely aligned with the fork/bushing assembly that fits between them. If you don't...

Right, but if you start hearing an odd creaking, especially when applying pedal force, consider this joint. I struggled for weeks with a creak I hated, and finally fixed it by taking this joint apart and greasing it with Phil Wood. The fact is that these bikes we love have frames made of...

I'm in Australia right now (work trip, no riding), so I can't post a photo, but there definitely are brass bushings at the joint at the bottom of the fork where it connects to the chainstay. This was on my original Q2 (suspension fork) and also on the new fork, which I think is for the Q100 and...

Yes, search these forums for "Kind shock", or add "A5-RR1". We've had several discussions about how the air shock is far superior, especially in stiffening the frame, while also improving the ride. To me, it's a must-have. It's also adjustable, by changing the pressure. Not sure what the...

I have 8000 miles on my Q2, with the Sachs Dual-drive internal hub. It works great, no problems, no service at all (and I'm a daily commuter in rainy Seattle). Yup, it's reliable. Yes, you can shift while stopped, a nice feature in heavy urban traffic. I also like having only 1 chairing, which...

And one more thing: where to clamp the bike to your stand while you do this work? Usually you can clamp either the boom or the steerer tube to, say, change brake pads or adjust the derailleur. But with the front end apart, neither of those places are available for clamping. I unclipped the...

Hi @castlerobber - Another thing to be careful of is that the joint between the fork and the chainstay (at the bottom of the fork) must be exactly lined up. My first try I simply installed the fork, then found that I had to redo it to get the chainstay to fit. So there's some careful aligning...

With the help of @Robert Holler and the good people at Rose City Recumbent Cycles I made two upgrades that bring my 5-year-old Q559 v2 closer to a Q3 or QX100. More important to me, the changes go a long way towards reducing the major disadvantage of the earlier Quests: frame flex among the...

What Ratz said. Yup. Presactly.

Cool! (Hours of contemplation to follow). I especially like to see the handwritten "5"s on the diagram. Exactly the way I wrote it until my mother spent years insisting it was wrong.

Thanks, @Doug Burton. Do you know who made these guys? I saw no markings giving the name. Knowing the manufacturer would let me look up info or maybe look for a replacement. And @Rampa, please let me know if you find out anything new. I'll do likewise. BK

I had the Diatech headset on my Q2/559 apart today to clean and regrease the bearings. (8000 miles and the balls and races in good shape, just dirty). I took the opportunity to look at the shock (see poor phone photo, with the fork out). Each side has 2 sets of large and a small holes. The top...

There are many factors affecting the "tightness" of the ride. One difference between older Q2s and newer ones (and the Q100) is the diameter of the boom and slider. I have an old one that came with the early thin boom and it was far from "tight". Robert sold me a new boom /slider and it...

Another Seattle Cruzbike guy (Q2) who was very happy to meet the others ... I only vaguely realized there _were_ others in this part of the world. Yes, we have a Bill K and a Billy K (me) among us. Sorry I got there late and only met a few of you. Thanks Leif for organizing this, and please...

No can do. Physics. The braking power is directly related to the wheel's friction against the ground, and that is reduced on the rear wheel as you brake and the weight is thrown forward. It has nothing to do with the quality of the brake. All this is heightened going downhill, of course. I...

I'm away from the bike this week (visiting my mother) so can't post photos of my shock setup. I was wrong above in saying "exact setup", since I have the original Q rack, which appears somewhat different from the touring rack. But the same fundamental problem occurs: the two air inlets are...

That's right, absent an elbow. But ... The shock holds air for months and thousands of miles. No need to refill it often. And ... It's easy enough to undo either of the bolts on the shock, thus freeing the swingarm and allowing the shock to swing and give access to the blocked fill nozzle...