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4 votes

Son has trouble pedalling fast

See if you can get a friends kid of similar size to try out the bike. if they have the same trouble - issue looks like the bike. Also check if your son is OK jogging with you for a while (to see if he ...
Chozabu's user avatar
  • 178
3 votes

Technique for Riding a Hybrid Bike on Trails and Switching to Knobbed Tires?

I suspect you can fit tyres considerably larger than 35c. I own a pretty typical low to mid-range hybrid bike (Pinnacle Lithium 2) and I'm currently using 28" × 2.0" (700 × 48c) tyres in a ...
John Rennie's user avatar
  • 1,039
4 votes

Technique for Riding a Hybrid Bike on Trails and Switching to Knobbed Tires?

The techniques used by gravel riders are not so different than the ones used by mountain bikers (bunny hops and their derivatives are a great way to clear obstacles, mass transfers between front and ...
Rеnаud's user avatar
  • 21k
9 votes

Technique for Riding a Hybrid Bike on Trails and Switching to Knobbed Tires?

Using offroad tires will greatly improve the grip in dirt. Even with just 35mm clearance there is a great selection of appropriate tires in the gravel and cyclocross segment of the big tire ...
airace3's user avatar
  • 2,460
2 votes

New bike-vibration in pedals

Defective bearings in the bottom bracket might also give a similar experience if you are applying high pressure / low cadence to the pedals in high gear.
Eoin's user avatar
  • 21
2 votes

New bike-vibration in pedals

Not withstanding "chordal action"² , Another contributing factor may be the frame design. The seat stay terminating into the seat tube below the top tube would change the vibration dampening ...
some dumb guy's user avatar
8 votes
Accepted

New bike-vibration in pedals

You might be experiencing "chordal action". This is vibrations in the chain that is caused by the wrapping of the chain around a curve. This effect is increasingly pronounced with smaller ...
WornChain's user avatar
  • 2,086

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