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  1. Catalyzt

    Kinekt 50° Comfort Stem vs. Redshift 30° ShockStop Suspension Stem

    Thank you. I am 150 pounds, so I could actually go with the LR. Apparently not the CR, supposedly not good for eBikes-- I have a CF seat, though not a CF seatpost (I could remedy that) though I notice the CR does not have the greatest reviews. If I could make the CR work, the weight penalty...
  2. Catalyzt

    Kinekt 50° Comfort Stem vs. Redshift 30° ShockStop Suspension Stem

    From the Impossible Questions Department: * Can anyone estimate how much weigh the Kinect seat post adds compared to a typical eMTB seat post? Thinking about one for the Marin-- if I ever get over this damn COVID and get back to work on it. I'm recovering well, but I'm really trying to go...
  3. Catalyzt

    Encinitas City Council declares emergency for e-bikes, bicycles

    I know I've talked about this before, but when I go back to New York and ride my old acoustic bike, it takes two or three rides before the necessary part of my brain lights up-- the part that can process and visualize the physics of so many powered and unpowered vehicle, pedestrians, and joggers...
  4. Catalyzt

    trials and tribulations

    Tough break, Mark. Let's see what the doctors say and what the next few weeks will bring. It may be that there is some diet, lifestyle, or other random factor involved that will tip the risk/benefit balance back in your favor-- or not. How do we know when the moment has arrived? Well, I...
  5. Catalyzt

    Anyone just do a basic ebike conversion

    Good question, though I thought that was mainly for front forks. The Trek was steel anyway, but I was told this was an issue for high power motors... for a dinky little 250W 30-50nm motor, you probably wouldn't have a problem. Just curious, I'm sure you've seen far more risky builds than I...
  6. Catalyzt

    Just for fun...

    I don't remember what show that is from, but I DO remember seeing those two creepazoids, and having a very similar reaction at a similar age. My mom was a psychologist, and at a children's production of Hansel and Gretel when I was 5, I started shrieking really loud, and all the other mothers...
  7. Catalyzt

    Just for fun...

    Respectfully disagree. If Rome lived in a gated community in Mission Hills or something, the fact that he used a knife to display the rope might me go, "Hmm..." or "What?" though I wouldn't consider it ominous. I only know one island (Kauai) but there are places on all the islands that are...
  8. Catalyzt

    Anyone just do a basic ebike conversion

    Nice build. Do you know what the weight is? I found that for fitness rides on my old hub-drive conversion, (only 250W, Clean Republic front hub throttle only, very small battery, 36V, 40 pounds w/ limited stem and seatpost suspension only) I could still get a fine workout, and the right amount...
  9. Catalyzt

    Anyone just do a basic ebike conversion

    Ha! But if memory serves, you've been known to dispense with other features others might consider mission-critical-- the correct number of spokes, insulation for wires, tread or even air in the tires, etc...! Ride on, my favorite e-madman, you're an inspiration to us all!
  10. Catalyzt

    2023 - Our Rides in Words, Photos, Maps and Videos

    Please tell Jacek he has all my sympathy! The bike Pedaluma and I chose for the new build is a Marin Team 1-- and, by the way, I had a long, hard look at the DSX FS, which is similar to the DSX3 but has front suspension. I made the right choice because the roads (and my hands) are so bad that...
  11. Catalyzt

    The infamous Motobecane HAL E-MTB. I bought one…

    You are unlikely to find anyone here who has this exact bike in one of these sizes. Try eMTB project and some other forums, but you may have to make your best guess based on what folks report about similar bikes. It is true that my chart is no help for size 38, or for Head Tube Height and Seat...
  12. Catalyzt

    The infamous Motobecane HAL E-MTB. I bought one…

    Very weak-- and strange, given that these bikes are a bit lighter than expected, not heavier. Before buying mine, the "Motobecane Ultra eAdventure" (not to be confused with other bikes that have almost exactly the same name) I trolled around for weeks through postings on EMTB project and...
  13. Catalyzt

    The infamous Motobecane HAL E-MTB. I bought one…

    It doth suck most righteously that BD no longer includes this information in their ads-- (and that your bike is no longer listed.) They used to publish these numbers-- I saved a screen shot of the ad for my bike before it was discontinued. It is the Motobecane in my avatar, also a 27.5, and...
  14. Catalyzt

    Shifting a Class II - Mid-Drive

    My experience is with torque sensing mid drives, but I've found that I can downshift on hills... just not under load, and I always try to shift a little sooner than I 'need' to. Thus, before getting to the hill, I downshift to whatever gear seems one or two gears too low-- in advance. Once I'm...
  15. Catalyzt

    Shimano E5000 Seems Faster After 1,500 miles

    This is definitely kind of crazy. I rode my new Marin build for a few weeks, then got a flat, and took the opportunity to start work on experimenting with the cluster to improve the chain line, which is taking me a really long time because the mechanical part of my brain only lit up a few years...
  16. Catalyzt

    Right of way question

    I think all right-of-way rules should follow from the basic principle of "Sails Over Power" -- e.g., if you have more power, (due to a motor, going downhill, being more physically capable, have better visibility, etc.) yield to who or whatever has less power, whether it's another cyclist, a...
  17. Catalyzt

    Yamaha Y-01W AWD & Y-00Z MTB

    Very interesting, Mr. R. What I would add briefly: There are only a few things I miss about the Trek kit bike (with a Clean Republic 35-50nm front hub throttle drive) 1) It's maybe two pounds lighter than the Marin build (and seven lighter than the Motobecane) 2) Front wheel drive is amazing...
  18. Catalyzt

    Tongsheng assist levels

    Good ideas-- today, I'm hoping to get the (flat) rear wheel off and see if I can remove some gears and push the chain line outwards with spacers. I'll also have a look at the cassette and chain ring and see if it looks like there is unusual wear-- the friction I feel in the motor sounds like it...
  19. Catalyzt

    Do You Wear a Wristwatch When You Ride?

    Excellent. I remember when I got my first Blackberry-- for work, it was part of a job-- my wife used to stare daggers at me whenever I answered it, and say quietly, 'Toilet, toilet, toilet." My last Blackberry was a PRIV, the worst phone I've ever owned, and I smashed it with a hammer. I do...
  20. Catalyzt

    Do You Wear a Wristwatch When You Ride?

    Oh, my God, the question for me would be more like, "Which of your 40 watches do you wear?" (I collect them.) I do not use Smart watches, I don't believe in the metrics, and I don't want to support Apple or Microsoft more than necessary. My next computer will definitely be a Linux...
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