Dr. Jake O'Hara, articles

Aligning a Shimano direct mount derailleur
What is Shimano direct mount?Why is my rear derailleur not straight?How do you check a derailleur hanger alignment without tools?Should my derailleur...
What could cause my tubeless tire (700x25) to leak air at nominal pressure?
Why is my tubeless tire leaking at bead?What pressure should tubeless tires be?Do tubeless tires lose air without sealant?How often do you need to to...
Is this a crack? Came off my Carbon frame for the first time
How can you tell if a carbon frame is cracked?How easy is it to crack a carbon frame?Can you repair a cracked carbon bike frame?Is it safe to ride a ...
I pedal on the flat surface of Shimano 105 SPD SL
Can you use flat pedals on a road bike?Can you adjust SPD-SL pedals?What does SPD-SL stand for?What does a pedal plate do?Are flat pedals safer than ...
SRAM 11-speed rear derailleur will not engage one specific gear (5th gear)
Why is my derailleur not shifting down?What causes ghost shifting?Can chain line affect shifting?Why are my bike gears not shifting?What does the B s...
What is the difference between a hybrid bicycle and a MTB?
Hybrids typically have front suspension but no rear suspension to allow attachment of racks, bags and fenders. A mountain bike will be constructed wit...
Someone else's lock on my bike
Call them, inform them you will be cutting the rogue lock off to cover your back and then go cut it off. If you leave it, your bike will be gone. If a...
How should an adult lead a group of child cyclists?
If there are two adults, the child or children should ride in the middle with an adult front and back. If there are two children to one adult, it's be...
Passing parked cars with oncoming traffic - UK Highway Code
In practical terms, that means: If the parked cars are on your side of the road, then you should give way to oncoming traffic. If the parked cars are ...