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    Chain slipping in hardest cog on rear

    Im in Australia, I took it to the bike shop who sells mainly Trek bikes (shop we bought the bike from) I’ll try to adjust the B Screw. Thanks Aaron
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    Chain slipping in hardest cog on rear

    Hi On my wife's 2018 Trek Powerfly 7 Bosch ebike the chain seems to slip (and make a crunching noise) only when on the smallest cog on the rear wheel. It doesn't seem to jump to another gear, but it seems to just slip. It only does it on the smallest cog on rear wheel only. Took it...
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    Haibike Yamaha - battery replacement options

    Yamaha Australia never got the batteries certified to import into Australia, so no Yamaha batteries here. That's why I got the same as yours aftermarket one from China. I tired lots of avenues before I got it from China, but it was my only option. In Australia we have Bosch and...
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    Haibike Yamaha - battery replacement options

    I bought the bike with me back from the USA, so had to leave the original battery over there (couldn't take it on the airline)
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    Haibike Yamaha - battery replacement options

    I'm in Australia, I ordered the battery from China. I charged it up a few times only. Back when it happened, I didn't know if it was the motor or the battery that was at fault. Its only that I found your posting that I realised we have the same problem. Screen shows all of its...
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    Haibike Yamaha - battery replacement options

    My same battery did exact same as you describe. It lasted 2 months, and then did exactly what yours does now. Aaron