The Raiders (10-17, 4-6), who snapped a three-game losing streak, led 38-16 with 4:04 left in the half.
Gabe Knutson and Anthony D'Orazio scored 17 points apiece and Holden Greiner had 12 for the Mountain Hawks (18-6, 8-2), whose four-game winning streak was halted. Lehigh was tied with Bucknell atop the Patriot League at 8-1, but Bucknell also lost, falling to Lafayette 63-62.
Colgate shot 38.1 percent on 3-pointers (8 of 21) to Lehigh's 16.7 percent (3 of 18), beat the Mountaineers on the boards 40-33, and the Raiders' bench outscored Lehigh's 15-2.
Lehigh tied Colgate at 56-all on a 3-pointer by D'Orazio with 3:04 left, but James Brandon made two free throws at 1:53, and Lehigh never caught up.
High school junior Zach Brown, a 7-footer from Miami, has rescinded his commitment to UConn, sources told ESPN.
Reserve center Akolda Manyang has been charged with felony aggravated assault after being accused of punching a man in the face without provocation.
Should the 76ers take Ben Simmons No. 1? What if they get the Lakers' pick, too? And how does the rest of the top 10 shake out? Our Insiders run their latest mock draft, with Philly on the clock.