After some time out of their line, Niner has updated their AIR9 and RLT9 models with some design tweaks to improve the ride.
The classic hydroformed aluminum AIR 9 gets Niner’s [R]evolution geometry, a 120mm fork up front and Boost 148 spacing giving riders a variety of tire and wheel options, while the RLT 9 gets flat mount disc brakes and a slightly lowered down tube for better stand over clearance.
AIR 9:
Niner describes the AIR 9 as the perfect love child of an XC bike and a trail bike, offering the perfect blend of cross country quickness and the ability to handle the steeps and deeps as well.
A new BB junction built around a PF30 BB shell not only allows for geared or singlespeed options, but also opens up the rear end of the bike to accommodate either 29 x 2.4 or 27.5 x 3.0 tires to offer the choice of maximum roll over or ultra traction and stability.
The frame also gets a tapered head tube, internal routing for a dropper post and Boost 148 rear spacing.
KEY FEATURES:
- Niner’s hydroformed aluminum provides a lightweight, snappy, peppy ride.
- Compatible with 29×2.4 Or 27.5X3.0 tires to offer the choice of maximum roll over or ultra traction and stability.
- Revised geometry is optimized for modern trail riding, long days in the saddle and all around good times.
- 73mm PF 30 BB shell is geared or singlespeed compatible with the Niner Biocentric 30
- 148 X 12 Boost rear spacing
- Compatible with 1x (max ring 34t) drivetrain systems
- Compatible with 2x (26/36 or bigger) drivetrain systems, 34.9 Sideswing front pull front derailleur
TECH SPECS:
- 73MM PF30 BB shell (adaptors required for BSA type BBs)
- PF 30 BB shell is geared or singlespeed compatible with the niner Biocentric 30 (not included)
- 30.9 Seat post
- Internal dropper post compatible
- 34.9 Seat collar
- 34.9 Clamp side swing/front pull front derailleur
- 1.125” X 1.5” Tapered integrated (Campy style) head tube, headset included, Cane Creek description: IS42/28.6 IS52/40
- Boost 148 x 12mm rear spacing
RLT 9:
While a less radical redesign than the AIR 9, the RLT 9 gravel bike gets a number of tweaks as well:
- Hydroformed aluminum frame
- Revised geometry to improve stand over.
- Up to 1.75″ tire compatibility
- Flat mount disc brake compatible
- Singlespeed compatible with Biocentric 30 (Sold separately.)
- Frame and fork mounts for racks and packs
Available as a frameset at $1050, the RLT 9 can also be purchased in one of four build kits ranging from $1950 for a Tiagra-based build to $3950 for one with Ultegra.
New Color and Build Options:
In addition to the return of these two bikes, Niner offers new colors to a handful of its current line of bikes. The RIP 9 RDO entices in Mint with a hint of red. The JET 9 RDO turns heads with some neon Green and blue highlights and the AIR 9 RDO blazes the trail in bright Orange.
The minty fresh Mint/Red RIP 9 RDO, The “Be Seen” neon Green/Blue JET 9 RDO and the “Aren’t you glad you raced it” bright Orange AIR 9 RDO.
Along with the RLT 9, the AIR 9 and some dashing new colors, Niner also introduces new component specs on its Star Builds.
Highlights include:
- Star Builds for every mountain bike features SRAM’s reliable 1x systems – NX1, GX Eagle and XO1 Eagle.
- Suspension duties for each mountain bike are handled by either Fox Shox or RockShox with the SIR 9, AIR 9 and RKT 9 now running 120 mm forks.
Ron is the chief cook and bottlewasher at Bike World News, doing everything from website design to bike reviews.
Websites:
Bike World News
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Current Bike Quiver:
Bird Bikes Zero 29 29″ hardtail mountain bike
Commencal Absolut 26″ Dirt Jump/Pump Track bike
Commencal Tempo 29″ full suspension mountain bike
Felt ZA 700c race bike
Kona Kilauea vintage 26″ mountain bike
Niner RLT9 700c road/gravel bike
Specialized Stumpjumper vintage 26″ mountain bike
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