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threehats jamessmurthwaite's article
Jun 16, 2020 at 1:58
Jun 16, 2020
The Moorhuhn is an Additive Manufactured Frame Hoping To ‘Make Steel Sexy Again’
@Busted-Up-Biker: I think although we perceive steel as damping vibrations better than aluminium, that’s not what’s happening because they’re both metal alloys and will resonate strongly with only the air and paint providing damping. But the steel used in tubes is denser and thinner so the resonant frequencies are much lower than the less dense and thicker aluminium tube walls. Basically aluminium buzzes whilst steel hums octaves lower, and that buzz is much more unpleasant. Annoyingly my alloy hardtail is too good for me to bother getting a similar steel frame to solve that problem!
threehats jamessmurthwaite's article
Jun 15, 2020 at 14:46
Jun 15, 2020
The Moorhuhn is an Additive Manufactured Frame Hoping To ‘Make Steel Sexy Again’
Steel is much stiffer than aluminium, people think it isn’t because steel bikes have skinny tubes whilst aluminium bikes need much fatter tubes to compensate for the bendy material.
threehats mikekazimer's article
Jun 1, 2020 at 1:35
Jun 1, 2020
Ridden & Rated: 12 of the Best 2020 Flat Pedals
Just spoken to DMR about this - the 85kg limit is only for the Ti axles - no weight limit on the standard steel axles. They’ll correct their website ASAP!
threehats ralf-hauser's article
May 26, 2020 at 4:27
May 26, 2020
Ridden & Rated: 4 of the Best eMTB Motor Systems for 2020 - Bosch vs Brose vs Shimano vs Fazua
@timbud: If you really want to know the truth regarding these motors then you need to see the power and/or torque curves at the chainring (after the gearbox). The last time I looked into electric motors the torque was at max at zero rpm, stayed near that way up into the rev range and then tailed off. Nothing like internal combustion engines.
threehats ralf-hauser's article
May 25, 2020 at 1:41
May 25, 2020
Ridden & Rated: 4 of the Best eMTB Motor Systems for 2020 - Bosch vs Brose vs Shimano vs Fazua
Power is torque x revs. With the correct gearing a more powerful motor will have more torque at the wheel (which is what matters) than a motor with more torque but less power.
threehats dan-roberts's article
May 16, 2020 at 8:11
May 16, 2020
Behind the Numbers: Commencal Meta TR 29
@thelibrarybiker: High pivot with moveable idler would allow you to easily change the anti-squat for different CoG or personal preferences. My full-sus is now an ebike (I have a 150mm hardtail for when I want a simple life) and with that the difference in antisquat between motor off and motor at max is very obvious. Even when I’m pedalling at my hardest the extra chain tension if the motor is in turbo means it doesn’t bob at all. But pedal as hard without assistance and it bobs quite a lot. It would be nice to be able to up the anti-squat when I’m choosing to ride it like a normal bike!
threehats mikekazimer's article
May 8, 2020 at 14:50
May 8, 2020
Pinkbike Poll: How Often Do You Drive to Your Local Trails?
@lkubica: I find my Levo in turbo more tiring than my hardtail because it’s fucking flat-out everywhere, up, along and down, and it’s so fast downhill that you have to work really hard to manhandle its greater weight and size. Since lockdown I’ve been riding the hardtail mostly because it’s slower and thus safer. Doesn’t seem to affect my fitness, I just get places quicker when the motor is on.
threehats mikekazimer's article
May 8, 2020 at 14:44
May 8, 2020
Pinkbike Poll: How Often Do You Drive to Your Local Trails?
@vinay: Seriously, I’ve been doing a 7 mile round trip mostly road commute (sometimes I extend it via some trails) for 6 years, on my MTBs. I don’t get through loads of tyres, in fact I seem to change them for other reasons before they’re worn out. Nowadays I run a cut spike style front tyre (Hillbilly on the Levo, Magic Mary on my hardtail) and an intermediate rear (Eliminator & DHR2) all year round. What wears out MTB tyres fast is riding on the ragged edge in the dry. When it’s wet or muddy they wear very slowly. If you’re not pulling G-forces cornering or braking they last ages. Obviously, I’m not talking about super soft compound tyres but who wants to pedal them uphill?
threehats mikekazimer's article
May 8, 2020 at 12:57
May 8, 2020
Pinkbike Poll: How Often Do You Drive to Your Local Trails?
@BikesNBites: It really doesn’t. I’ve done over 1000 miles of road commuting on my current knobbly tyres on my main MTB and they still have tons of tread. It’s skidding on tarmac or hard ground that wears them out, if you’re rolling they go on and on.
threehats mikelevy's article
May 7, 2020 at 13:59
May 7, 2020
First Look: ENVE's New, Adjustable-Geometry Rigid Fork
@EnduroManiac: I see the specs use the word “rake”. And that rake it refers to is synonymous with offset, so it’s measured in millimetres. If it was being used as in the world of motorbikes bikes, where rake is head angle (or the complement of) then it would be measured in degrees.
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