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  1. Dsab1

    I think Focus is using non-optimal chainrings on some of their e-bikes (jam², thron²)

    Hi Akelu, Finally got chainring and Bosch O ring in order to fit Ethirteen chainring and cranks. Looks great but have run into a problem with the drive side crank arm , the clearance between crank arm and the rubber moulded chainstay protector is marginal and under load ( twisting effect ) it...
  2. Dsab1

    Protective Crank Boots for EThirteen e spec cranks.

    Hi Any recommendations for my replacement cranks, I tried the race face one but they don’t fit. Any ideas please?
  3. Dsab1

    I think Focus is using non-optimal chainrings on some of their e-bikes (jam², thron²)

    Hi Akelu, I’m still waiting on the chainring to come from os so haven’t been able to complete the new set up. I’ve got 160 mm cranks because I intend to run the bike as a mullet ( next upgrade ) also as mentioned before those cheap and poorly designed cranks were prone to excessive pedal...
  4. Dsab1

    I think Focus is using non-optimal chainrings on some of their e-bikes (jam², thron²)

    Thanks for info Akelu, I’ve just ordered Ethirteen chainring & cranks from Bike 24. Went with 160 mm cranks. I didn’t mention it in previous post but after reading negative info regarding chain stretch with SLX 7100 chains I upgraded chain to XTR 9100 (as the XT chains are hard to source.)...
  5. Dsab1

    Ultimate bottle cage for 2020 Jam2 ?

    Newbie here, both to EMTB and my Focus jam2 . - I would like to know which bottle cage fellow 2020 jam2 owners are using , I tried to transfer one from another bike but as the bollts on the down tube are set too high access to the bottle was restricted ( unless you use a very small bottle ) so...
  6. Dsab1

    I think Focus is using non-optimal chainrings on some of their e-bikes (jam², thron²)

    Great post Akelu, I’m having issues on a jam2 with the drivetrain - am getting feedback through the drive side pedal as you described, felt like the bearing in the pedal was shot, this being unlikely as they were brand new ! Turned out to be the bolt holding the crank arm on the spindle working...
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