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  1. ak-tux

    Cruzbike S40 in Nairobi, Kenya!

    Sometimes my cycling groupmates don't like drafting me especially on windy conditions. I just didn't realise how much smaller my frontal area is. Now I understand why: Probably I should trim 2 inches off my handlebar drops and cover my rear triangle for some marginal gains too. Now, if only...
  2. ak-tux

    Are you a pusher or puller?

    Agreed. I think Iam a puller when climbing or accellerating.. maybe. Everything seems second nature for me that sometimes it's hard to tell whether Iam actually pulling or pushing or a little of both ( rythmic, alternating push/pull).
  3. ak-tux

    Cruzbike S40 in Nairobi, Kenya!

    Thanks Craig. I guess, I can't argue with your real-life experience. :)
  4. ak-tux

    Cruzbike S40 in Nairobi, Kenya!

    Very true. I was at my peak in the year 2019 and partly towards the end of 2020 then things dropped. Worst point was when I got my first COVID-19 vaccine this year . Was a tough time. I may have probably picked up the virus earlier but never got to test for it. I believe this bike is very...
  5. ak-tux

    Cruzbike S40 in Nairobi, Kenya!

    Thanks. It's food for thought. Probabaly will be a bit faster on the downhill but I wonder what will happen on the climbs and handling on the busy traffic parts of the roads. The bike still needs to be all round capable. I think I also need to improve my fitness, I have ridden the same...
  6. ak-tux

    Cruzbike S40 in Nairobi, Kenya!

    Another group ride. Should hopefully be a nice one to watch especially to see group riding dynamics. This time I made some tactical mistakes in the group ride and got dropped. Adrenaline can indeed cheat one into thinking they are invincible!
  7. ak-tux

    Cruzbike S40 in Nairobi, Kenya!

    Agreed. Same here. But what we are saying is: what are the good starting points before those final fine adjustments can be made?
  8. ak-tux

    Cruzbike S40 in Nairobi, Kenya!

    Thanks @JerseyJim . There was once a cruzbike fit thread by @ratz some time back with some formulas here: https://forum.cruzbike.com/threads/v20-finding-that-fit.11520/ It's quite theoritical but makes for a good starting point or discussion. For me, personally, the key is to get the quads...
  9. ak-tux

    Cruzbike S40 in Nairobi, Kenya!

    Another weekend ride video. Shoulder mounted camera (Unfortunately my exposure setting was too low. Scenes look a bit too dark. Apologies):
  10. ak-tux

    The G4 Bicycle , Potential MBB/Cruzbike Diversification Candidate?

    Yeah, q-factor would be a concern in addition to the general complexity of the double chain drive and wheel change. Well, good effort though, and besides it's never wrong to think out of the box sometimes. The Cruzbike MBB design is still the simplest front wheel drive iteration in my opinion.
  11. ak-tux

    T50 on YouTube: Spring Equinox 200K

    Watched the video, nice work there! How's the seat after 9hrs on it? Any recumbutt issues? I get a mild one on my S40, manageable though. Probably one day I might change the seat when I get some time and see how it feels.
  12. ak-tux

    S40 Chainring - for lower gearing

    I use 11-speed Sunrace 11-46 Cassette with the stock SRAM Apex that came with my S40 and it works. Below I changed my chain ring to 48T and added a couple of links but the stock 42T SRAM chainring and the stock chain would have not required an increase in the chainlength.
  13. ak-tux

    The G4 Bicycle , Potential MBB/Cruzbike Diversification Candidate?

    @Opik , the only way to tell the difference between the two designs is to build and test with an open mind. That requires someone with the build skills , tools , time, analyical mind and curiosity. Someone like @markciccio . Marco has extensive experince in MBB and can easily test this design...
  14. ak-tux

    The G4 Bicycle , Potential MBB/Cruzbike Diversification Candidate?

    Yeah, one will need to undo four clamp bolts. How does that compare to through axles though? QR skewers were always the least difficult I guess. Probably unknown to Ron Thompson, that frontend design is very similar to what was already in existence built by Trivek. Or Trivek was unaware that...
  15. ak-tux

    The G4 Bicycle , Potential MBB/Cruzbike Diversification Candidate?

    Oh, I must have missed the notification...I will check that. :D
  16. ak-tux

    The G4 Bicycle , Potential MBB/Cruzbike Diversification Candidate?

    Thank you very much @CoolBreeze . Much appreciated. I always try to keep an open mind to any good ideas, becuase somewhere in the multitude and diversity of ideas there is wisdom. This is how improvements come, by thinking out of the box. Every bike design has pros and cons, but the recumbent...
  17. ak-tux

    The G4 Bicycle , Potential MBB/Cruzbike Diversification Candidate?

    The grip may be just an instance of motion captured by the picture (I think he was accelerating) but looking at the brief videos it doesn't appear any different from the ordinary MBB though. The engineering is pretty facinating though. It appears like the hands have a greater leverage than the...
  18. ak-tux

    The G4 Bicycle , Potential MBB/Cruzbike Diversification Candidate?

    Good points for discussion. With a partial fairing over the cassette and derailuer it can be a pretty clean frontend without a flop.
  19. ak-tux

    The G4 Bicycle , Potential MBB/Cruzbike Diversification Candidate?

    I was watching the laidback bike report by Gary Solomon and they were discussing an interesting MBB style bicycle designed by Ron Thompson similar to the one formally built by the French, Kervelo, but this time using dual chain drive instead of a pinion drive. It can make a good mid/low racer...
  20. ak-tux

    READ: Chainstay Clamps PSA and PRO Tip

    Thanks Robert. Maybe in the future there should be : a set of four spring washers included (one for each bolt) between the clamps and the chainstay to limit the minimum gap possible. A torque setting printed on the clamps for those who have a torque wrench to refer to.
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