New Zealand’s Chapter 2 debuts an all-new Rira all-road race bike designed to open up not simply extra roads to journey, however maybe additionally to open your thoughts. This isn’t an aero street bike, and it actually isn’t a light-gravel race bike. As an alternative, the brand new Chapter 2 Rira is a contemporary, quick & gentle all-rounder street bike, getting again to the fundamentals so you’ll be able to merely benefit from the journey.
Plus, it comes similtaneously a brand new, much more slender 1-piece aero carbon Mana5 handlebar cockpit that can assist virtually any street rider get extra aero to go sooner…
2025 Chapter 2 Rira carbon all-rounder (all-)street bike
Chapter 2 founder Michael Pryde describes the brand new Rira as a “brand-new All-Highway Racing chassis designed to raise your driving expertise“. However ‘all-road’ is likely to be a little bit of a stretch, contemplating many trendy aero street race bikes have the identical tire clearance nowadays. That’s not likely a dig at this new Rira, although. It’s extra a touch upon the truth that many new street bikes have change into extra versatile thanks to larger tires – bringing decrease rolling resistance, improved rider consolation, and even enhanced grip on all surfaces.
The truth is, the brand new Rira appears like an ideal all-rounder street bike with loads of tire clearance. With room for as much as a 32mm rear tire and as much as a 34mm entrance tire (claimed sensible clearance), you actually can journey this bike past traditional clean tarmac.
What’s new?
The brand new Rira replaces Chapter 2’s Toa, as their ‘all-road’ all-rounder. Tire clearance is touted as a giant versatility enhance over the Toa, however technically solely the fork truly gives extra clearance in keeping with ISO definitions. In actuality although, lighter weight can be an actual profit. At 945g for a measurement M, the brand new Chapter 2 Rira isn’t extremely gentle. Nevertheless it does save 150g off its predecessor, plus 30g saved on the brand new fork, as properly.
Whereas the Rira returns to a standard seatstay format & traditional spherical 27.2mm seatpost, the brand new bike does function a couple of aerodynamic optimizations. A brand new hourglass aero headtube and flat-backed seattube assist decrease drag, whereas including each stiffness and rider consolation.
And Chapter 2 says they centered on making the Rira stiffer, boosting headtube stiffness 22% & backside bracket stiffness by 12% over the Toa for improved pedaling & dealing with.
All-new geometry
The brand new Chapter 2 Rira will get fully revamped geometry, developed to supply fast however constant all-surface dealing with for all rider sizes, even with larger tire clearance. What which means is that the brand new bikes now function size-specific backside bracket drop, and a couple of size-specific fork offsets. The vary of body Stack will increase, particularly to higher match smaller riders. And regardless that chainstay size elevated a few millimeters for extra tire clearance, the bikes get incrementally shorter total wheelbase lengths to maintain the agility & maneuverability of the Rira’s predecessor.
New Mana5 slender built-in cockpit
The Rira’s Toa predecessor truly debuted Chapter 2’s 1-piece carbon Mana built-in cockpit. And now in its fifth iteration, the brand new Mana5 is lighter, extra aero, extra built-in, and so much narrower. Plus, now Chapter 2 gives the Mana5 in fairly a bit extra sizes, so extra cyclists can get precisely the cockpit match they need to get extra aero and extra comfy to go sooner.
The brand new aero dimpled handlebar+stem combo once more options ~25mm of flare to every facet to make room on your arms within the drops, whereas protecting the bar slender on the hoods. Chapter 2 goes even narrower with the Mana5, now having 5 bar widths as slender as 35.5cm at your brake hoods (355, 366, 377, 388 & 399mm center-center). They’re formally sized by width on the drops – 405, 416, 427, 438 & 449mm center-center. There are additionally 5 efficient stem lengths, relying on bar width (80, 90, 100, 110 & 120mm). Finally 12 measurement combos are on supply, with weights claimed round 330g (100x427mm) for the Toray UD carbon cockpit.
And naturally, the Mana5 cockpit options totally built-in cable routing, and underside mounting factors for a direct mount out-front GPS holder (not included). However it is usually backward appropriate with all spherical 1 1/8″ steerer forks.
Tech particulars
- 925g Toray T1100 carbon body
- 395g carbon fork, with size-specific rake
- totally built-in inside cable routing
- digital shifting ONLY
- T47 85.5mmthreaded backside bracket
- 27.2mm spherical seatpost, with hidden seatpost clamp
- 12mm thru-axles, flat mount disc brakes
- UDH, and in addition features a Shimano Direct Mount derailleur hanger
- sensible max 34mm entrance & 32mm rear tire clearance (solely 32/30mm in keeping with ISO)
- UCI-approved
- out there in 5 inventory sizes (XS-XL)
Chapter 2 Rira – Pricing & availability
“Whereas Chapter 2’s engineers meticulously optimized the bike’s weight, stiffness, and aerodynamics, the RIRA is designed to encourage your ardour for driving. It’s a motorcycle that not solely performs on the highest stage but in addition speaks to your soul.”
The brand new Chapter 2 Rira is formally out there now as a pre-order for the frameset – at all times in one-time-only restricted version paint jobs. Chapter 2 produces every look in small portions, after which strikes onto a brand new design for the subsequent manufacturing run. Order a Rira body, fork & headset for $2550 / 3500€ in both ltd. White Fade with Swirls or Blue Digital + UD carbon, with deliveries slated to ship out from the final week of January 2025.
As for the brand new Mana5 cockpit, its 12 sizes promote for $550 / 600€, whereas the earlier technology Mana2 now has been diminished to $350 / 450€ in its 6 sizes.
