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Does anyone else have this problem? I've had the On-One Fatty for over a year now (pre-ordered first batch). It's been a good bike so far but I cannot get the bead to stay seated.
I drilled out my rims last summer and generally haven't had a problem yet, both rims are completely true. I have also experimented with different tubeless techniques for around a year now. I'm only having problems with the front tyre/wheel, the rear has never given me a problem. I'm fairly light and run the front around 4.5-6 psi (snow and summer trails) and maybe less for deep soft snow. The rear sits around 6-9 psi.
Different bead seating problems below:
Inner tube
With the drilled On-One rims (28mm holes) and floaters (1 month old) the bead tends to seat around 20-30 psi. The rim is clean and I've tried both greased and non-greased tyre beads. Airing down to 5-5.5 psi generally keeps the bead seated most of the time but it slips once I start riding (within minutes, seconds if I use the brake). The type of bead slip is this side-to-side wiggle (the bead slips in different areas). The tube is a schwalbe downhill tube 2.5-3 inch.
Tubeless - split inner tube
Running a split inner tube for ghetto tubeless (the rear is set up like this and has been great for months) doesn't give better results. Again the bead fully seats around 20-30 psi but typically slips back partially around 8 psi and once I start riding both sides have slipped. This one slips at the same location on both sides and leads to this very irritating juddering when riding but the tread doesn't wobble.
Tubeless - gorilla tape
The gorilla tape and greased tyre bead (using vacuum grease for sealing) seats fully at 20 psi and airing down to 5.5 psi stays fully seated but as soon as you ride it slips again and loses air almost immediately.
I haven't yet tried different rims or swapping the rear and front tyres but frankly I shouldn't be having this problem. This is really affecting my enjoyment of the bike and my confidence in riding. I'd prefer to stick with the On-One Floaters as they have excellent price/performance and I don't have the money to spend on new rims yet.
One thing I haven't yet tried are Surly inner tubes, since they are a bit bigger they should provide a firmer push at the bead - has anyone else tested this?
I drilled out my rims last summer and generally haven't had a problem yet, both rims are completely true. I have also experimented with different tubeless techniques for around a year now. I'm only having problems with the front tyre/wheel, the rear has never given me a problem. I'm fairly light and run the front around 4.5-6 psi (snow and summer trails) and maybe less for deep soft snow. The rear sits around 6-9 psi.
Different bead seating problems below:
Inner tube
With the drilled On-One rims (28mm holes) and floaters (1 month old) the bead tends to seat around 20-30 psi. The rim is clean and I've tried both greased and non-greased tyre beads. Airing down to 5-5.5 psi generally keeps the bead seated most of the time but it slips once I start riding (within minutes, seconds if I use the brake). The type of bead slip is this side-to-side wiggle (the bead slips in different areas). The tube is a schwalbe downhill tube 2.5-3 inch.
Tubeless - split inner tube
Running a split inner tube for ghetto tubeless (the rear is set up like this and has been great for months) doesn't give better results. Again the bead fully seats around 20-30 psi but typically slips back partially around 8 psi and once I start riding both sides have slipped. This one slips at the same location on both sides and leads to this very irritating juddering when riding but the tread doesn't wobble.
Tubeless - gorilla tape
The gorilla tape and greased tyre bead (using vacuum grease for sealing) seats fully at 20 psi and airing down to 5.5 psi stays fully seated but as soon as you ride it slips again and loses air almost immediately.
I haven't yet tried different rims or swapping the rear and front tyres but frankly I shouldn't be having this problem. This is really affecting my enjoyment of the bike and my confidence in riding. I'd prefer to stick with the On-One Floaters as they have excellent price/performance and I don't have the money to spend on new rims yet.
One thing I haven't yet tried are Surly inner tubes, since they are a bit bigger they should provide a firmer push at the bead - has anyone else tested this?