AND REQUIRE BUT SLIGHT LUBRICATION. EXEVATON. FEONT VLEW- BACK WHEEL BEARINGS. See Testimonals and Reviews. … See Testimonials and Reviews. EIBVATION. As a Proof of their Superiority over all others, Mr. H. L. CORTIS, Amateur Champion, Won the 25 and 50 MILES AMATEUR CHAMPIONSHIP EAOES on a Bicycle fitted with ^olus Bearings,BEATING EECOED TIME, and in a Five Mile Eace BEATING EECOED TIME in Three, Four,…