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2021 Medium SKU: BMT21389

YT Jeffsy 29 CORE 4 Mountain Bike, Medium

Recommended Rider Height: 5'8" - 6'1" Size Guide
Regular price

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shipping icon $94.99 RideFast Shipping

Master Mechanic's Notes:
- Light scratches on top tube.
- Light scratches on fork lowers.

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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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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

Bikes ship in our custom RideFast box, and assembly is incredibly simple. Most novice riders can assemble their bike in 5 minutes or less. The tools you need to assemble are also included.

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Specifications

Year 2021
Brand YT
Model Jeffsy 29 CORE 4
Size Medium
Frame Material Carbon Fiber
Drivetrain SRAM, 1x12 spd
Weight 30 lbs 15 oz
Fork Fox 36 Float Factory
Fork Travel 150mm
Rear Shock Fox Float DPX2 Factory
Rear Shock Travel 150mm
Brakes SRAM G2 RSC, Disc - Hydraulic
Shifters SRAM X01 Eagle, Mechanical
Rear Derailleur SRAM X01 Eagle
Bottom Bracket Shell Press fit
Crankset Truvativ Descendant Carbon, 32t, 175mm
Cassette SRAM XG-1295 Eagle, 10-52t
Chain SRAM
Handlebar Renthal Fatbar Alloy, 780mm
Headset Integrated
Stem Renthal Apex Alloy, 35.0mm x 50mm, 0°
Seatpost YT Postman Dropper, 31.6mm
Seatpost Travel 125mm
Saddle SDG Bel Air
Front Axle Spacing 15x110mm (Boost)
Rear Axle Spacing 12x148mm Boost
Wheelset DT Swiss XM1700 Disc Aluminum Tubeless Compatible , DT Swiss
Front Tire Maxxis Minion DHR II 3C MaxxGrip EXO TR, 29" x 2.4"
Rear Tire Maxxis Minion DHR II 3C MaxxTerra EXO TR, 29" x 2.4"
Tire Type Tubeless
Tubeless Compatibility Wheels are tubeless compatible but ships with tubes installed
Charger Included N/A

Geometry

Recommended Rider Height 5'8" - 6'1"
a. Effective Top Tube 593 mm
b. Seat Tube 415 mm
c. Seat Tube Angle 77, 77.5 (Low, High)
d. Head Tube Angle 66, 66.5 (Low, High)
e. Head Tube 105 mm
f. Stack 622 mm
g. Reach 450 mm
h. Standover Height 702 mm
i. Saddle Height Range 605 - 725 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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