clockwork

Used to describe a detailed process or activity that proceeds without problems.

My bike performed like clockwork today.

wash out

To loose traction, usually while going around a turn. Used in many contexts, including cycling and motorsports.

Snowflake washed out around that last hairy turn and plowed into a tree.

DH

An acronym for downhill mountain biking.

Snowflake: I'd rather DH because I don't like climbing my bike. I'd rather take a ski lift or shuttle to the top.

tackin

See tacking.

I was tackin down Sherwood Road just before I got pulled over by a cop. Can you believe they searched my car?