A wear guide assembly for use with a plastic modular conveying belt. The wear guide snap fits into position onto a support channel. The wear guide has a back wall, a first wall extending from the back wall, and a second wall extending from the back wall. The assembly also includes a support channel with a back wall, a first side wall, and a second side wall. The first and second side walls have distal portions bordering an opening. The first and second side walls have opposed projections extending from the distal portions that form first and second shoulders.