Niner 2021 RLT 9 2-Star Gravel Bike (Forge Grey/Skye Blue)

Price: $2,350.00
Discontinued Online
This item is discontinued and no longer available for purchase. You may want to search our site for a similar item.

The Niner RLT 9 allows you to ride beyond the city limits, without going beyond your budget. Enter a race, get lost on the back roads, or load it up for overnights, the RLT 9 can do it all. Niner's premium 6000 series aluminum and RDO Gravel fork make this bike snappy and stiff, yet comfortable due to the design of the hydroformed alloy tube shapes. The 2-Star SRAM Apex 1 kit provides a value priced gravel-grinding package that delivers. 


  • Integrated frame mounts to carry all of your adventure gear
  • Room to roam with clearance for tires up to 700c x 50 (650b x 2.0)
  • Fireroad geometry designed to keep you comfortable on those long rides
  • Interchangeable wheel sizes for versatility and adaptability to suit every adventure
  • Niner RDO gravel tuned carbon fork with rack, fender, and bottle mounts

Due to availability issues during manufacturing, build specifications are subject to change. Please contact us if you wish to verify build specs before purchase.

Frame: Niner Hydroformed 6061 Aluminum   
Front Wheel: Niner CX alloy clincher (12 x 100mm TA) 
Front Tire: Schwalbe G-One Allround Performance Raceguard TLE (700 x 40)  
Brakes: SRAM Apex 1 HRD Flat Mount      
Rotors: SRAM Centerline (160/160mm)  
Front Shifter: SRAM Apex 1 HRD    
Front Derailleur: N/A     
Cassette: SRAM PG 1130 (11-42t)  
BB: Prestine PF30 Threaded
Seatpost: Niner Alloy
Stem: Niner Alloy Stem  
Grips: Niner Bar Tape  
Fork: Niner RDO full carbon  
Rear Wheel: Niner CX alloy clincher (12 x 142mm TA) 
Rear Tire: Schwalbe G-One Allround Performance Raceguard TLE (700 x 40)     
Chain: SRAM PC 1130 11sp    
Rear Shifter: SRAM Apex 1 HRD 11sp     
Rear Derailleur: SRAM Apex 1 Long Cage     
Crankset: SRAM Apex 1 40T     
Saddle: Niner Custom w/ chromoly rails  
Handlebar: Easton EA50 AX  
Headset: Niner integrated SHIS (IS42/28.6 IS52/40)

*Note: These bikes are fully built by our expert bike builders, then partially disassembled as needed for shipping. Bikes will arrive to you with some basic assembly still required.  

This product was added to our catalog on October 19, 2020

Sizing Recommendations for Riders Who Fall Between Sizes:

  • Sizing down will provide a more maneuverable ride while sizing up will provide more stability
Rider Height (Feet)Rider Height (Meters)
47cm4'11" - 5'3"1.5 - 1.6m
50cm5'2" - 5'6"1.57 - 1.68m
53cm5'5" - 5'9"1.65 - 1.75m
56cm5'8" - 6'1.73 - 1.83m
59cm5'11" - 6'3"1.8 - 1.91m
62cm6'2" - 6'6"1.88 - 1.98m

Note: All sizing recommendations are provided by the manufacturer and may differ for each rider.


(A) Top Tube Length510mm525mm545mm565mm585mm605mm
(B) Seat Tube Length430mm460mm490mm520mm550mm580mm
(C) Chainstay Length Actual435mm435mm435mm435mm435mm435mm
(D) Horizontal Chainstay430mm430mm430mm430mm430mm430mm
(E) Front Center582mm589mm599mm610mm625mm634mm
(F) Wheelbase1005mm1012mm1023mm1036mm1051mm1060mm
(G) Bottom Bracket Drop75mm75mm75mm70mm70mm70mm
(H) Headtube Length105mm125mm145mm165mm185mm205mm
(I) Headtube Angle70.0°70.5°71.0°71.5°72.0°72.5°
(J) Seat Tube Angle74.5°74.0°73.5°73.0°73.0°72.5°
(K) Stand Over Height705mm728mm753mm780mm805mm830mm
(L) Reach361mm365mm374mm383mm397mm407mm
(M) Stack537mm558mm578mm594mm615mm636mm
(N) Fork Rake45°45°45°45°45°45°
(A) Top Tube Length20.1"20.7"21.5"22.2"23.0"23.8"
(B) Seat Tube Length16.9"18.1"19.3"20.5"21.7"22.8"
(C) Chainstay Length Actual17.1"17.1"17.1"17.1"17.1"17.1"
(D) Horizontal Chainstay16.9"16.9"16.9"16.9"16.9"16.9"
(E) Front Center22.9"23.2"23.6"24.0"24.6"25.0"
(F) Wheelbase39.7"39.8"40.3"40.8"41.4"41.7"
(G) Bottom Bracket Drop3.0"3.0"3.0"2.8"2.8"2.8"
(H) Headtube Length4.1"4.9"5.7"6.5"7.3"8.1"
(I) Headtube Angle70.0°70.5°71.0°71.5°72.0°72.5°
(J) Seat Tube Angle74.5°74.0°73.5°73.0°73.0°72.5°
(K) Stand Over Height27.8"28.7"29.6"30.7"31.7"32.7"
(L) Reach14.2"14.4"14.7"15.1"15.6"16.0"
(M) Stack21.1"22.0"22.8"23.4"24.2"25.0"
(N) Fork Rake45°45°45°45°45°45°