Jerryno
  • Member for 6 years, 8 months
  • Last seen more than a month ago
  • Czech Republic
Pros and cons of single-sided forks (Cannondale Lefty)?
Accepted answer
40 votes

The single-legged fork must truly withstand heavier bending forces than conventional forks, simply due to physics and asymmetricity. But because of its different construction, the fork is actually ...

View answer
What do I grease and what do I lubricate?
25 votes

Stuff To Use: Silicone based lubricant - for all weather conditions - especially good to use in wet or in winter - it's water resistant. It's thicker than teflon based and it's sticky (dust catches ...

View answer
Difference between UD, 3K and 12K carbon finish?
Accepted answer
14 votes

UD, 3K and 12K specify the carbon weave pattern. 3K means there are 3,000 filaments per "tow", 12K means there are 12,000 and UD means unidirectional (no pattern): The construction of bike parts is ...

View answer
Unable to pedal when in high gears
Accepted answer
14 votes

The chain is stuck because of its short length and cross-chaining - the chain links are severely bent. Also with the chain not clean it will not turn nicely in such a scenario: Also your chain is ...

View answer
Is any major manufacturer working on a 12 speed group?
Accepted answer
11 votes

Cannondale with it's new Boost 148mm rear spacing standard could fit some more gears theoretically without making the chain thinner. But the real question is if more gears are actually needed. What ...

View answer
Grabbing the attention of the person ahead of you while bicycling
6 votes

Well there is only one rule - adjust your speed to the situation. Doesn't matter if it's falling rocks, a sudden animal crossing road, people, deaf/earphone people, kids, oil on road behind corner... ...

View answer
My 1000 watt rated hub only pulls 6.7A (321.6 watts @ 48v) suggestions?
5 votes

On a wheel stand there is not much resistence so the motor doesn't have to use much torque (current) to spin the wheel, so the power draw is that low. The motor outputs max power at half it's rpm ...

View answer
Fundamental principles of tire friction for off-road biking
5 votes

So let me get this straight before it becomes a mess: ..increased downward force from pedalling.. When you pedal the downward force is not increased - you are not getting any heavier. You can only ...

View answer
How does weight influence your speed when descending?
1 votes

If you drop a styrofoam ball and the same size rock ball in a vacuum they will fall exactly the same. It's because they accelerate with the same gravitational acceleration. While falling both ...

View answer
Pistons are aligned only without pads in
1 votes

If the pistons extract evenly without pads but uneven with pads, one of the pads is giving more resistance. Try to clean the whole inside of caliper and check the pads and how they fit inside..

View answer
Disc brake rotor size and forks strength
0 votes

Why greater rotor puts more stress on fork (no matter how and where the caliper is mounted) from physics point of view: Friction depends on the materials touching and the force they are pushed ...

View answer