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2020 Medium SKU: BMT22843

Niner SIR 9 Mountain Bike - 2020, Medium

Regular price

$3,199.99

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TPC Guarantee

Every bike receives our white glove, Certified Pre-Owned treatment, including a full pro-tune by our Master Mechanics in Louisville, CO. All CPO bikes are pristine and rolling beautifully before we pack and ship to your door.

Master Mechanic's Notes
- Front & rear brake bleeds, firming up lever pull & creating consistent grab.
- Moderate scratches on down tube.
- Moderate paint chips on chainstay arch & non-drive side seatstay.
- Small scratch on non-drive side stanchion.

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141-Point Inspection

This bike passed our 141-point inspection to qualify to be a Certified Pre-Owned bike. It's free of structural damage and is in excellent cosmetic shape.

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30-Day Hassle-Free Returns

Shop with confidence. Every bike is covered by our 30-day satisfaction guarantee. If this bike isn’t perfect for you, get in touch and we’ll help you find the right bike.

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RideFast Shipping

Assemble your bike in 15 minutes or less! Our bikes ship in our RideFast box for speed and safety. All tools you need to assemble are included.

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Specifications

Year 2020
Brand Niner
Model SIR 9
Size Medium
Frame Material Steel
Drivetrain SRAM, 1x12 spd
Weight 29 lbs 4 oz
Fork FOX Rhythm Series 34 FLOAT
Fork Travel 120mm
Rear Shock Travel N/A
Brakes Shimano Deore M6000, Disc - Hydraulic
Shifters SRAM GX Eagle, Mechanical
Rear Derailleur SRAM GX Eagle
Bottom Bracket Shell Threaded
Crankset SRAM GX Alloy, 32t, 175mm
Cassette SRAM XG-1275 Eagle , 10-50t
Chain SRAM
Handlebar ANVL Mandrel Alloy, 800mm
Headset Niner
Stem Race Face Turbine Alloy, 35.0mm x 70mm, 0°
Seatpost SDG Tellis, 30.9mm
Seatpost Travel 150mm
Saddle SDG Falcon
Front Axle Spacing 15x110mm (Boost)
Rear Axle Spacing 12x148mm Boost
Wheelset Race Face Aeffect R 30 Aluminum Tubeless Compatible, Race Face
Front Tire Maxxis Minion DHR II 3C MaxxTerra EXO TR, 29" x 2.4"
Rear Tire Maxxis Rekon 3C MaxxTerra EXO TR, 29" x 2.4"
Tire Type Tubeless
Tubeless Compatibility Bike ships tubeless

Geometry

Recommended Rider Height 5'7" - 5'10"
a. Effective Top Tube 595 mm
b. Seat Tube 421 mm
c. Seat Tube Angle 74°
d. Head Tube Angle 68°
e. Head Tube 110 mm
f. Stack 620 mm
g. Reach 425 mm
h. Standover Height 739 mm
i. Saddle Height Range 660 - 705 mm
VIEW SIZING GUIDE
QUALITY YOU CAN TRUST

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

— Kari K.

OVER 1,500 FIVE-STAR REVIEWS

“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.

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