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2018 Small SKU: BMT20197

Trek Session 9.9 Downhill Bike - 2018, Small

Regular price

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Mechanic's Notes
- Seat tube behind shock was professionally repaired by Broken Carbon in Boulder, CO. Broken Carbon offers a 5-year limited warranty on all frame repairs.
- New brake pads front and rear for confident braking.
- Small paint knick on swing arm behind chainring.
- Light scratching to front rim.

- Industry Nine Grade 300 Wheelset, providing unrivaled cornering.

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TPC Guarantee

This bike passed a 141-point inspection and received a full pro-tune by our Master Mechanics in our Certified Pre-Owned process. CPO bikes are pristine and ready to ride!

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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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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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Year 2018
Brand Trek
Model Session 9.9
Size Small
Frame Material Carbon Fiber
Drivetrain Shimano, 1x10 spd
Weight 33 lbs 12 oz
Fork Fox Factory 40 FIT RC2
Fork Travel 203mm
Rear Shock Fox Factory DHX2 Coil: 400 x 2.75
Rear Shock Travel 210mm
Brakes Shimano Saint M820, Disc Brakes - Hydraulic
Shifters Shimano Saint M820, Mechanical
Front Derailleur N/A
Rear Derailleur Shimano Saint M820
Bottom Bracket Shell Threaded
Crankset Shimano Saint M825 Alloy, 36t, 165mm
Cassette Shimano Ultegra 6700, 11-25t
Chain Shimano
Handlebar Alloy, 810mm
Headset Integrated
Stem Renthal Alloy, 35.0mm x 50mm, 0°
Seatpost Bontrager Rhythm Elite Alloy, 31.6mm
Saddle Ergon
Front Axle Spacing 20x110mm (Thru-Axle)
Rear Axle Spacing 12x157mm DH
Wheelset Industry Nine Grade 300, Industry Nine
Front Tire Bontrager G5 Team Issue, 27.5" x 2.5"
Rear Tire Bontrager G5 Team Issue, 27.5" x 2.5"
Tire Type Clincher
Tubeless Compatibility Wheels are tubeless compatible but ships with tubes installed
Charger Included N/A


Recommended Rider Height 5'3" - 5'6"
a. Effective Top Tube 581 mm
b. Seat Tube 425 mm
c. Seat Tube Angle 74°
d. Head Tube Angle 63°
e. Head Tube 115 mm
f. Stack 619 mm
g. Reach 405 mm
h. Standover Height 732 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.

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