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  1. J

    REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY

    Perfect thanks. It is because I am using discontinued tire 18x1.35. Afraid damage it too fast then have to replace by 18x1.5 ....
  2. J

    REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY

    What number of sand papers to sand the tape you use?
  3. J

    REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY

    The stock friction materials really.....sads.... I tried your mentioned fiber tapes with wired cluctch. Quite good. Floor slip tape was my consider but afraid tire damage. I am no doubt now to choose the Floor slip tape instead of stock tape.
  4. J

    REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY

    Thanks for your suggestion!! but would the floor grip tape too strong on friction then damage the tyre?
  5. J

    REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY

    Hi Guys, After several tried and tested, I almost finished the manual clutch for QRE-PRO. There is super more efficent than original screw clutch because I can engage the QRE-PRO to tyre on moving or anymoment. My bike able to start up by only electric without slipping on flat road. I can...
  6. J

    REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY

    Finally received my QRE-Pro. luckily able install on Jango Flik! Maybe the mechanic clutch should be controlled by wire is better than screw. Please Qiroll dev team consider option parts.
  7. J

    REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY

    Seams like QR-E PRO is quite awesome but cannot contact QiRoll about purchasing.......
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