It’s 2019, and what was once seen as impossible is now inevitable: disc brakes are continuing their migration from mountain to road to the aerodynamic world of triathlon. Thus far, most of the disc brake tri bike introductions have occurred at the high-end (and high priced) halo products, such as the $14,000 Specialized S-Works Shiv Disc. Felt offers several tiers, going as low as $5,800 for the IA3 Disc.
Quintana Roo is one of the oldest brands in triathlon, and is breaking the mold with a new entry that starts at $2,999 – the PRfour Disc. Now they’ve announced that it will begin shipping in mid-February 2019.
Quintana Roo has their own high-end disc brake offerings, with the PRsix Disc at $8,500 (Ultegra Di2 electronic components and Shimano RX31 Disc wheels) and PRfive Disc at $4,550 (Ultegra mechanical components and Shimano RX31 Disc wheels).
The PRfour shares the same frame platform and geometry, but with lower-spec Shimano 105 mechanical components and non-integrated front fork.
The base price point includes Shimano RS-170, but you can upgrade to Reynolds AR58/62 Disc for an additional $1,000. All wheels are 700c diameter, regardless of frame size.
The PRfour is available in the same six sizes as their other PR-series bikes.
The brake spec for the PRfour Disc is the TRP Spyre mechanical using the flat mount standard. The bike also features thru axles front and rear, which QR advertises as offering improved power transfer and acceleration – something we’re not sure is a big issue for Ironman-distance racing, but seems to be the way forward for almost all new bikes (and does lead to better disc rotor alignment than quick release skewers).
The PRfour Disc also has integrated storage on the top tube and behind the seat tube.
The PRfour Disc comes in four colors (Neon Pink, Electric Blue, Gloss White, and Neon Fire), and begins shipping in mid-February, 2019. Speaking of shipping, they now offer easy assembly and delivery with their ProBox, said to provide a nearly complete bike that requires only minutes to finish and ride. If you’re looking for disc brake power on a reasonable budget, check out QR at the link below.