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  1. linklemming

    My first e-bike build

    The important thing to look at is the Max Chainring on "frame spec" tab for the ghost grappler at www.surlybikes.com. I have put BBSHDs on a Surly Troll, Bridge Club and Ogre. The Troll and Ogre only required a minimal spacer (0.5mm to 1.0mm) to get the BBSHD to fit without hitting the...
  2. linklemming

    Specialized/Brose motor failures?

    Did you read the description of the video? www.ebikemotorrepair.com https://ebikemotorrepair.com/product/brose-belt-kit-st/ https://ebikemotorrepair.com/product/garant-torque-screwdriver-tq-with-t-handle-fixed-automatic-0-2nm-triggering-for-brose/
  3. linklemming

    My DIY builds: GMAC, BBSHD, 9C RH212, CYC Photon, ToSeven DM01, Grin All Axle

    Without knowing all the details of your hills, your weight and fitness, its hard to say for sure. My GMAC rides are.were typically 20-30 miles with elevation gain of 1000 to 1500ft. Alot of 4-6% rolling hills with some 8-10% sections and lots of wind. Im around 240#. The GMAC handles it fine...
  4. linklemming

    My DIY builds: GMAC, BBSHD, 9C RH212, CYC Photon, ToSeven DM01, Grin All Axle

    GMAC update The GMAC system has been wonderful all these years (started this thread) but I am moving on to mid-drives exclusively. Many local MTB trails have recently been opened to ebikes, while doable on the GMAC are much better suited to a mid-drive so my focus favors mid-drives The CYC...
  5. linklemming

    Specialized/Brose motor failures?

    Some info if you dont want to buy a new Brose Motor I recently sold a 2018 Brose equipped Bulls eMTB(about 4k miles) to a friend who is going to have his motor rebuilt this winter. Nothing wrong with it now but he will get upgraded bearings, better sealing and a newer stronger belt. A DIY...
  6. linklemming

    My DIY builds: GMAC, BBSHD, 9C RH212, CYC Photon, ToSeven DM01, Grin All Axle

    Im using 180 Quad Piston Front, 160 Dual Piston Rear, no issues with clearance on the GMAC. All brakes are Shimano Deore with Metallic Pads. Im limited to 160 in the rear due to the surly Ogre Rear dropout design. I believe there is a way to move the rear wheel rearward in the horizontal...
  7. linklemming

    My DIY builds: GMAC, BBSHD, 9C RH212, CYC Photon, ToSeven DM01, Grin All Axle

    CYC Photon Race Mode Ride Temps: 90F This ride is basically the same route described two posts above (#293) with the exception of not doing the super steep section I had to walk up before. The Photon was setup unrestricted in Race Mode with 3 assist levels (Low 500W, 50% torque, Mid 1000W...
  8. linklemming

    Marin eStinson 2

    Sorry to Pedaluma if this strays too far off topic The banter I see comming from EBRs most prolific poster is similiar to the banter I have had with the typical porsche owners at track events I participated for over 10 years. My car was a turbo miata with 270rwhp running race tires. I touched...
  9. linklemming

    My DIY builds: GMAC, BBSHD, 9C RH212, CYC Photon, ToSeven DM01, Grin All Axle

    CYC Photon Max Assist Baseline Ride Decided to do a whole ride at max assist (800W max) on a ride I tend to use as a baseline. Distance: 17.5 miles Elevation: 1200ft Temps: Mid 80s This is a very good mix of all sorts of terrain and condition including gravel/street/rolling 4-6% hills with a...
  10. linklemming

    Marin eStinson 2

    This would also apply to anything relating to throttle use
  11. linklemming

    My DIY builds: GMAC, BBSHD, 9C RH212, CYC Photon, ToSeven DM01, Grin All Axle

    CYC Photon Initial Ride Report and Review Just got back from a 20 mile shakedown ride with the CYC photon. I did a good mix of some steep MTB trails and more of my typical rolling gravel terrain. This is using a 42t chainring and 9 speed 11-36 cassette All stock settings except changed to...
  12. linklemming

    My DIY builds: GMAC, BBSHD, 9C RH212, CYC Photon, ToSeven DM01, Grin All Axle

    Pic of completed build. Bent a pin on the throttle connection(no connection on one pin) so when I powered on the bike and went to assist level 1, the bike shot off across the garage. So no throttle for now. Not a biggie for this ride
  13. linklemming

    My DIY builds: GMAC, BBSHD, 9C RH212, CYC Photon, ToSeven DM01, Grin All Axle

    Replacing bearings for me is really a no brainer, especially if you have something like this https://www.amazon.com/gp/product/B09GKG2F88/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 On the GMAC, the motor froze up (not totally but would overheat at lower power levels like 100w) due to...
  14. linklemming

    My DIY builds: GMAC, BBSHD, 9C RH212, CYC Photon, ToSeven DM01, Grin All Axle

    Yes, I pretty much have all of his videos memorized. The bearing issues he mentions doesnt seem to be an issue with my kit. Crank axle spins fine with no bearing drag/binding. That being said, that bearing would be super easy to replace assuming its a standard size. I have had bearing issues...
  15. linklemming

    My DIY builds: GMAC, BBSHD, 9C RH212, CYC Photon, ToSeven DM01, Grin All Axle

    This was a pretty easy install, I actually spent more time trying to make the wiring tidy than installing the motor to the frame Initial power on failed. The cable from the motor to the display/throttle was not fully seated. Ride impressions tomorrow
  16. linklemming

    My DIY builds: GMAC, BBSHD, 9C RH212, CYC Photon, ToSeven DM01, Grin All Axle

    I must say that I am VERY impressed with the quality of the CYC photon. All the hardware is high quality and the motor itself is a piece of art. Install was super obvious and I only needed to refer to the user manual for a quck installation reference. It is replacing a BBSHD on a Surly Ogre...
  17. linklemming

    My DIY builds: GMAC, BBSHD, 9C RH212, CYC Photon, ToSeven DM01, Grin All Axle

    The CYC Photon has arrived, hard to believe how small it actually is. Pictured here next to a BBSHD
  18. linklemming

    My DIY builds: GMAC, BBSHD, 9C RH212, CYC Photon, ToSeven DM01, Grin All Axle

    RH212 Update I decided to abandon the RH212 in early June. It was a great and powerful motor which never overheated despite all the abuse I threw at it. A very annoying thing I found with it was recurring spoke nipple noise (slight popping). Not sure if it was due to the radial lacing or the...
  19. linklemming

    Is it safe to freely use the throttle WHILE PEDALING on a mid drive?

    Exactly what planet are you on Stefan. I ride my two throttle equipped ebikes going on about two years now and 6k or so. I get a workout every ride according to my garmin GPS computers (average 110-130HR, 150-200watts human power, 1500 altitude gain, 25 miles). This is the whole purpose of my...
  20. linklemming

    Is it safe to freely use the throttle WHILE PEDALING on a mid drive?

    You dont need strava for all the features mentioned. I have a garmin edge 25 and Instinct Solar tactical and have used garmin connect since 2019. Im more about just recording the rides more than creating a polish circle jerk around strava stats. I have no need to PROVE anything, if someone...
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