FMT11058_PH3_01 FMT11058_PH3_02 FMT11058_PH3_03 FMT11058_PH3_04 FMT11058_PH3_05 FMT11058_PH3_06 FMT11058_PH3_07 FMT11058_PH3_08
2021 Large SKU: FMT11058

Niner SIR 9 Large Frameset - 2021

Recommended Rider Height: 5'11" - 6'3" Size Guide
Condition: PRE-OWNED
Regular price

return icon 30-day returns
shipping icon Fast Shipping

About this item

Niner SIR 9 Large Frameset - 2021

Mechanic's Comments:
- Includes: Frame, fork, headset, thru axles, & rear derailleur hanger (installed).
- Frameset is in great condition w/ some light scuffing and small chip to non-drive side inner fork leg.


Year 2021
Brand Niner
Model SIR 9
Size Large
Frame Material Steel
Fork Niner RDO Boost Disc w/ Rack Mounts
Fork Material Carbon
Steerer Tube 205 mm, Tapered
Brake Type Disc Brakes - Hydraulic
Front Derailleur Mount 34.9mm
Headset Niner Integrated w/ 5-5mm, 1-10mm alloy spacers & Niner Yawd Cap
Bottom Bracket Not Included, PF30
Wheel Size 29"/27.5"
Seatpost Diameter 30.9mm
Seatpost Clamp Yes
Front Axle Spacing 15x110mm (Thru-Axle)
Rear Axle Spacing 12x148mm Boost
Weight 8 lbs 4 oz
Drivetrain Compatibility Mechanical


Recommended Rider Height 5'11" - 6'3"
a. Effective Top Tube 627 mm
b. Seat Tube 485 mm
c. Seat Tube Angle 74°
d. Head Tube Angle 68°
e. Head Tube 125 mm
f. Stack 634 mm
g. Reach 445 mm
h. Standover Height 791 mm
i. Saddle Height Range N/A

“I love this company! My beautiful bike arrived promptly, was packed brilliantly, and tuned perfectly. It was exactly as described.”

— Kari K.


“In the past month, I purchased a road bike and MTB from TPC. Very happy with the price and condition of both bikes! I was riding the bikes 10 minutes after I received them.”

— David H.

Newsletter Sign Up