Stohlquist Coaster Trainers has a steel rod that

has a steel rod that closes inside a trunk or hatchback seam

PFC-free DWR (durable water repellent)

40" FB 60 TPI Dual Exo TR Crankset Forged alloy

Certification: EN 362

and suitable for internal cable routing

Stohlquist Coaster Trainers has a steel rod thatThe Coaster is designed to have a slightly larger footprint, which helps to distribute flotation over a wider area. The result is a thinner profile that provides more mobility and comfort, while reducing interference with today's taller seat backs. Along with providing a great fit, the Coaster also features multiple pockets that will hold a beverage, your sunglasses, and other small items. Stohlquist's Graded Sizing offers the best fit, and lowest