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I popped over to Boulder, Colorado to test the Optibike R8HD at their factory/shop. I stuck the Rohloff in 9th gear and opened the throttle and the thing took off. It was well equipped, well made and just down the road for service. Talking to the engineers they said that their aim was to make a...

Yes, I get my bike muddy. I honestly thought that was acceptable for mountain bikes. I read nothing in the manuals or marketing literature that suggested otherwise. But as my Bosch motor is heading back to Bosch for a rebuild and with all my other bearings that need replacement I suspect that...

Yes, that ride is one of my favourites. we live about four months of the year in Denver, enough to justify another bike there. I recall the signs say Mesa and I thought that MTB Project used the tautology but it is a great ride up and I love the loop around the mesa and the views of Denver.

I was once starting a climb up Mesa Table Mountain in Colorado when coming out the carpark on some dry hard packed double track my rear wheel locked solid and the rear mech was right into the spokes and the rear derailleur needed replacing (less then 100 miles) and the wheel needed re-building...

When the Bosch system is working well it is a real delight. I have not ridden other Bosch bikes other than my two Haibike AMT Pros (one from excellent Chris Nolte in the US and one from the equally excellent Martin Brown in the UK). There is no doubt that the US bike ridden in the arid high...

That is pretty sad at such low mileage. I have done over 2000 miles and that bearing is holding up well. I am meticulous about cleaning that out well and lubricating it. I changed the sprocket, chain, rear cassette and chainwheel all together a three months ago at around age 8 months. My wheel...

Yes, the Sram XX1 has a clutch, but I would have thought that engaging it would reduce the derailleur tension when what I really what is to increase the tension to counteract the mud holding the chain to the chainwheel. I had considered increasing the tension using the B screw on the derailleur...

Yes, no matter how cold and wet I may be the bike gets cleaned and oiled before I can get in the shower. I really like riding with friends and I am more mindful of the hazards of riding alone especially at night in the woods. After going over the bars I found myself unable to get up and had to...

No, nothing fixed under warranty, it wasn't until I came across this thread that I discovered that I was not alone in the chain suck problems. Probably paid for £1000 of transmission repairs so far in a 12 month period. I have had the wheel lock up a number of times when the derailleur enters...

This is proving to be a huge problem for me. On my Haibike AMT Pro I have frequent chain suck and it has cost me two SRMA XX1 rear derailleurs, two Iodine 3 wheel rebuilds, rear cassette, chainring, chain replacement. It seems that every time it happens it bends the derailleur hanger leading to...