2021 YT Jeffsy Core 2 29 Bike

(discontinued)

Discontinued

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Where To Buy
	Free shipping on orders over $50 (continental U.S. only). International shipping available. Some exclusions apply.	Browse available Bikes
	Free shipping on orders over $50 (contiguous U.S. only). International shipping available. Some exclusions apply.	Browse available Bikes
	Free U.S. shipping on everything. International shipping available. Some exclusions apply.	Browse available Bikes
	Free shipping on orders over $69 (continental U.S. only). International shipping available. Some exclusions apply.	Browse available Bikes

Specifications

Product

YT Jeffsy Core 2 29 Bike

Model Year

2021

Intended Use

Enduro / All-Mountain

Rider

Unisex

Sizes and Geometry

SM (low, high)

MD (low, high)

LG (low, high)

XL (low, high)

XXL (low, high)

View Full Geometry

Size	SM (low, high)	MD (low, high)	LG (low, high)	XL (low, high)	XXL (low, high)
Top Tube Length	572mm	593mm	615mm	638mm	660mm
Head Tube Angle	66.0°, 66.5°	66.0°, 66.5°	66.0°, 66.5°	66.0°, 66.5°	66.0°, 66.5°
Head Tube Length	100mm	105mm	110mm	120mm	125mm
Seat Tube Angle	77.0°, 77.5°	77.0°, 77.5°	77.0°, 77.5°	77.0°, 77.5°	77.0°, 77.5°
Seat Tube Length	400mm	415mm	435mm	460mm	485mm
Bottom Bracket Height	32mm drop, 24mm drop	32mm drop, 24mm drop	32mm drop, 24mm drop	32mm drop, 24mm drop	32mm drop, 24mm drop
Chainstay Length	435mm	435mm	435mm	440mm	440mm
Wheelbase	1174mm	1196mm	1218mm	1247mm	1269mm
Reach	430mm	450mm	470mm	490mm	510mm
Stack	618mm	622mm	627mm	636mm	640mm
Additional Info	Geometry adjustable via flip chip in rear shock mount.

Sizes Additional Info

Geometry adjustable via flip chip in rear shock mount.

View Full Geometry

Size	SM (low, high)	MD (low, high)	LG (low, high)	XL (low, high)	XXL (low, high)
Top Tube Length	572mm	593mm	615mm	638mm	660mm
Head Tube Angle	66.0°, 66.5°	66.0°, 66.5°	66.0°, 66.5°	66.0°, 66.5°	66.0°, 66.5°
Head Tube Length	100mm	105mm	110mm	120mm	125mm
Seat Tube Angle	77.0°, 77.5°	77.0°, 77.5°	77.0°, 77.5°	77.0°, 77.5°	77.0°, 77.5°
Seat Tube Length	400mm	415mm	435mm	460mm	485mm
Bottom Bracket Height	32mm drop, 24mm drop	32mm drop, 24mm drop	32mm drop, 24mm drop	32mm drop, 24mm drop	32mm drop, 24mm drop
Chainstay Length	435mm	435mm	435mm	440mm	440mm
Wheelbase	1174mm	1196mm	1218mm	1247mm	1269mm
Reach	430mm	450mm	470mm	490mm	510mm
Stack	618mm	622mm	627mm	636mm	640mm
Additional Info	Geometry adjustable via flip chip in rear shock mount.

Wheel Size

29"

Frame Material

Carbon Fiber

Frame Material Details

High modular carbon fiber, PA 66 down tube protection, rubber seatstay and chainstay protection, chainsuck plate at rear dropout

Rear Travel

150mm

Rear Shock

FOX FLOAT DPX2 Performance, 3-position adjust, 210mm x 55mm

Fork

FOX FLOAT 36 Performance, GRIP damper, low-speed compression adjust, low-speed rebound adjust, 44mm offset

Fork Travel

150mm

Head Tube Diameter

Tapered, 1.125" top, 1.5" bottom

Headset

ACROS AZX-576, High Cap

Handlebar

e*thirteen Base 35, 35mm clamp diameter

Stem

e*thirteen Base 35, 50mm length, 35mm bar clamp

Grips

ODI Elite Motion V2.1, lock-on

Brakes

SRAM G2 R, SRAM CenterLine 200mm rotors

Brake Levers

SRAM G2 R, adjustable reach

Drivetrain

Shifters

SRAM NX Eagle, 12-speed

Front Derailleur

None

Rear Derailleur

SRAM NX Eagle, 12-speed

ISCG Tabs

ISCG05

Chainguide

None

Cranks

Truvativ Descendant 6K Eagle DUB, 175mm length

Chainrings

Truvativ Descendant 6K Eagle, 32 tooth

Bottom Bracket

SRAM DUB, PressFit

Pedals

None

Chain

12-speed

Cassette

SRAM NX Eagle PG-1230, 12-speed, 11-50 tooth

Rims

DT Swiss M 1900 Spline wheelset, 30mm inner width

Hubs

DT Swiss M 1900 Spline wheelset, 110x15mm Boost front, 148x12mm Boost rear with HG driver

Spokes

DT Swiss M 1900 Spline wheelset

Tires

Maxxis Minion DHR II, Dual Compound, EXO, TR, 29" x 2.4"

Saddle

SDG Bel Air 3.0, YT Custom, 140mm width

Seatpost

YT Postman Dropper

Seatpost Diameter

31.6mm

Seatpost Clamp

Single bolt

Rear Dropout / Hub Dimensions

148x12mm Boost

Max. Tire Size

Bottle Cage Mounts

One inside front triangle

Colors

Metal Silver, Black Magic

Warranty

5 years frame, 2 years components

Weight

33 lb 11.7 oz (15,300 g)

Miscellaneous

• V4L (Virtual 4-Link) rear suspension
• Internal cable routing with internal tubes
• Geometry adjustable via flip chip in rear shock mount
• Weight given for size SM set up tubeless, without pedals

Price

$2,799.00

More Info

YT Introduces the New Jeffsy Core Range (press release)

YT Website

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Where To Buy
	Free shipping on orders over $50 (continental U.S. only). International shipping available. Some exclusions apply.	Browse available Bikes
	Free shipping on orders over $50 (contiguous U.S. only). International shipping available. Some exclusions apply.	Browse available Bikes
	Free U.S. shipping on everything. International shipping available. Some exclusions apply.	Browse available Bikes
	Free shipping on orders over $69 (continental U.S. only). International shipping available. Some exclusions apply.	Browse available Bikes