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2018 X-Large SKU: BMT22629

YT Jeffsy 27 CF Pro Race Mountain Bike - 2018, X-Large

Regular price


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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.

- absoluteBLACK oval chainring for improved rider efficiency.
- New Vittoria Mazza Trail Graphene 2.0 tires for mixed terrain conditions.
- New FSA chain for crisp shifting.
- New shifter cable & housing, pro-tuned to optimize crisp shifting.
- New bottom bracket for smooth spinning.
- New front brake rotor for increased braking power.

Master Mechanic's Notes
- Moderate paint chips on the seat tube.
- Moderate scratches & paint chips on the inside of chainstays & seat stays.
- Small scratches on main frame, chainstays, & handlebar.
- Small paint chips on rear triangle & seat tube.
- Moderate foot rub on the crank arms & the non-drive side chainstay.

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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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Year 2018
Brand YT
Model Jeffsy 27 CF Pro Race
Size X-Large
Frame Material Carbon Fiber
Drivetrain Shimano, 1x11 spd
Weight 28 lbs 2 oz
Fork FOX Factory Series 24 FLOAT
Fork Travel 160mm
Rear Shock FOX Factory Series FLOAT DPX2
Rear Shock Travel 160mm
Brakes SRAM G2 R, Disc - Hydraulic
Shifters Shimano XTR M9000, Mechanical
Rear Derailleur Shimano XTR M9000
Bottom Bracket Shell Press fit
Crankset E*Thirteen TRS Race SL Carbon, 32t, 175mm
Cassette SRAM XG-1150, 10-42t
Chain FSA
Handlebar Renthal Fatbar Lite Carbon, 800mm
Headset Acros
Stem Renthal Alloy, 35.0mm x 45mm, 0°
Seatpost FOX Factory Series Transfer, 31.6mm
Seatpost Travel 150mm
Saddle SDG Fly Mtn YT Custom
Front Axle Spacing 15x110mm (Boost)
Rear Axle Spacing 12x148mm Boost
Wheelset E*Thirteen TRS Race SL Carbon Tubeless Compatible, E*Thirteen TRS Race
Front Tire Vittoria Mazza Trail Graphene 2.0, 27.5" x 2.4"
Rear Tire Vittoria Mazza Trail Graphene 2.0, 27.5" x 2.4"
Tire Type Tubeless
Tubeless Compatibility Wheels are tubeless compatible but ships with tubes installed


Recommended Rider Height 6'3" - 6'5"
a. Effective Top Tube 648 mm
b. Seat Tube 520 mm
c. Seat Tube Angle 74.5, 75 (Low, High)
d. Head Tube Angle 66, 66.5 (Low, High)
e. Head Tube 135 mm
f. Stack 623 mm
g. Reach 475 mm
h. Standover Height N/A
i. Saddle Height Range 730 - 790 mm

“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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