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RLT 9 650b 3-Star Rival 1 Gravel Bike

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Why We Like The RLT 9 650b 3-Star Rival 1 Gravel Bike

Niner is one Colorado-based brand that takes off-road riding seriously, especially since its specialty lies in designing 29er mountain bikes. But, we aren't only riding the brand's mountain machines. Niner's gravel bikes have earned a name for themselves for being durable and versatile enough to transform your ride from a weeknight canyon climber, to a weekend bikepacking rig, or a gravel racing bike. The RLT 9 family is Niner's line of versatile, rugged, and attainable gravel bikes for getting down with dirt trails and gravel roads. This option features high-volume 650b tires for navigating rough dirt roads and bits of technical singletrack.

The RLT 9 650b 3-Star Rival 1 Gravel Bike maximizes freedom and minimizes constraints. It features a 6061 aluminum frame with hydroformed aluminum tubing for affordability and variability. This option keeps things lightweight and works in tandem with the RLT 9's RDO carbon fiber fork, constructed from Race Day Optimized carbon fiber. Internal routing means we're seeing a clean and tidy look, and additional tire clearance allows riders to switch things up on occasion. It's geared to fit a geared or single-speed drivetrain and either mechanical or electric shifting. Because it's Niner, they've even included room for a dropper post.

*Due to unprecedented demand in the global supply chain and the bike industry over the last 18 months, material weight and exact components are subject to change. We are working diligently to keep tech specs updated, and any adjustments will be minor. If you have any questions, reach out to a Gearhead by chatting online or calling 1-888-276-7130.


  • Gravel bike with 650b wheels keeps us rolling on old dirt roads
  • SRAM Rival 1 shifting with Easton cranks for control and handling
  • DT Swiss G 1800 spline 25 650b wheels for riding shifty surfaces
  • SRAM Rival HRD brakes for quality stopping power
  • 26 threaded mounts offer space for outfitting your adventure rig
  • Fireroad geometry ensures comfortability on long rides
  • Item #NNR99B4
Frame Material
Niner hydroformed 6061 aluminum
Niner RDO full carbon
Niner integrated IS42/28.6|IS52/40
[front] SRAM Rival HRD, [rear] SRAM Rival 1 HRD 11-speed
Rear Derailleur
SRAM Rival 1 Long Cage
Easton EA90
Chainring Sizes
Crank Arm Length
[47cm, 50cm] 170mm, [53cm, 56cm] 172.5mm, [59cm, 62cm] 175mm
Bottom Bracket
Easton PF30
SRAM PG 1130
Cassette Range
11 - 42T
SRAM PC 1130 11-speed
Brake Type
2-piston hydraulic, flat mount
SRAM Centerline 160mm
Easton EA50 AX
Handlebar Width
[47cm, 50cm] 420mm, [53cm, 56cm] 440mm, [59cm, 62cm] 460mm
Bar Tape
Niner bar tape
Niner alloy
Stem Length
[47cm, 50cm] 80mm, [53cm, 56cm] 90mm, [59cm, 62cm] 100mm
Niner custom with Cro-Mo rails
Niner carbon (400mm)
DT Swiss G 1800 Spline 25
Front Axle
12 x 100mm thru-axle
Rear Axle
12 x 142mm thru-axle
Tire Clearance
700c x 50mm, 650b x 2.0in
Schwalbe G-One Bite Evo Super Terrain
Tire Size
650b x 50mm
not included
chainstay protector, rack mounts, fender mounts
Claimed Weight
21.1lb (9558g)
gravel, bikepacking
Manufacturer Warranty
5 years