Many Precor models do have a rear guard. Seen here: https://www.amazon.com/Preco...

		alistairSH on May 5, 2021 \| parent \| context \| favorite \| on: Peloton recalling all treadmills after reports of ... Many Precor models do have a rear guard. Seen here: https://www.amazon.com/Precor-TRM-932i-Commercial-Treadmill/... The roller/belt design also appears different - much smaller rollers and a smoother belt on Precor models. Not idea if that contributes, but it might.