Something unexpected has arrived in Happy Meal.

Teenage Mutant Ninja Turtles and Hello Kitty and friends are teaming up for the Ultimate Collab.

Joining your little ones on a fun-fueled adventure.

Some fun, some food, it's all inside this Happy Meal.

Until the 2nd of February from 11am includes one pre-selected book or toy whilst it's last.

Bow Shield wasn't satisfied with any of the bike lubs on the market, so they engineered their own.

Their research proved that none of the Teflon, silicone or synthetic formulas held up when exposed to dusty, dirty and muddy conditions.

For that reason, Bow Shield T9 is designed to offer long-term lubrication and protection in any environment.

Bow shield T9 waterproofs your bike chain, lubricates cables, and prevents rust with its effective all-in-one formula.

The paraffin-based lube flushes out dirt in old lubricants, displaces moisture, and penetrates moving parts.

Then it dries to a clean, continuous wax film that performs better than Teflon and lasts up to 200 miles. BoShield T9 is designed to resist

picking up dust, dirt, or mud, which makes it a good choice for all riding conditions. This month,

BoShield is giving away a free prize pack to a lucky listener.

Go to singletracks.com slash bowshield to enter and visit bowshield.com to learn more or click the links in the show notes.

Hey, everybody, welcome to the single tracks podcast. My name is Jeff, and today my guest is Vittorio Plotania. Vittorio is the marketing manager

for the formula group based in Italy and he's here to fill us in on everything we need to know

about mountain bike brakes. Thanks for joining us, Vittorio. Thank you guys very much. I'm very

happy to be here with you today.

So let's start with an overview.

How do hydraulic brakes work, starting, I guess, at the lever?

Yeah.

The way how the hydraulic brake works is in theory very simple. You have piston which is first of all is a closed system

...