Crossword Puzzle Bic tip?

Clue: Bic tip?

Bicycle radii (SPOKES with 6 letters)
Tippecanoe's running mate (TYLER with 5 letters)
Bicker vehemently (ALTERCATE with 9 letters)
Tippler's hwy. offense (DUI with 3 letters)
Worker for tips (REDCAP with 6 letters)
Enter on tiptoe (STEALIN with 7 letters)
Seattle suburb known as "the bicycle capital of the Northwest" (REDMOND with 7 letters)
Parts of bicameral legislatures (SENATES with 7 letters)
Bent, as biceps (FLEXED with 6 letters)
Tipping, e.g. (CUSTOM with 6 letters)