Compare: 2021 YT Industries Jeffsy CORE 2 29

Bike Comparison

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	Jeffsy CORE 2 292021 YT Industries	Recommended SISKIU T82023 Polygon

MSRP	$2,999	$2,199
Where to Buy	— $1 At	— $1 At
Category	Enduro	Enduro
Weight	33.7 lbs	33.5 lbs
	5.7	5.0
Frame	Aluminum	Aluminum
Fork	Fox Performance Float 36	Fox Rhythm Float 34
Shock	Fox Float DPX2 Performance	Fox Float DPS Performance
Wheels	Aluminum	Aluminum
Wheel Size	29″	27.5″ / 29″
Brakes	Hydraulic Disc	Hydraulic Disc
Groupset	NX Eagle, Truvativ Descendant	SLX, Shimano
Drivetrain	1 × 12	1 × 12
Suspension	Full	Full
Front Travel	150mm	150mm
Rear Travel	150mm	135mm
Brand Site	us.yt-industries.com	polygonbikes.com
Summary	The YT Industries Jeffsy CORE 2 29 is a 29″ aluminum frame full suspension enduro bike with high-end components.

Similar Bikes

Accessories

Ride Feel

Based on frame geometry and build specs.

Terrain

easyextreme

Handling

nimblestable

2021 Jeffsy CORE 2 29

2023 SISKIU T8

Other Enduro bikes

Gear Range

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

25 mph

2021 Jeffsy CORE 2 29

25 mph

2023 SISKIU T8

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Geometry

Specs

	Jeffsy CORE 2 292021 YT Industries	SISKIU T82023 Polygon

Frame	Colors: Metal Silver; Black Magic	aluminum Colors: Metal Silver; Black Magic
Fork	FOX 36 FLOAT PERFORMANCE, 29“ \| 150 mm Travel \| Grip \| 110 x 15 mm Axle \| 44 mm Offset Travel: 150mm Spring Type: Air	FOX 34 RHYTHM 150mm (27.5") / 140mm (29") TRAVEL Travel: 150mm Spring Type: Air
Shock	FOX FLOAT DPX2 PERFORMANCE, Shock Length: 210 mm \| Shock Stroke: 55 mm ≙ 150 mm Travel \| 3pos-Adjust	FOX FLOAT DPS SPECIAL TUNING E2E:210X55MM, HARDWARE:8MMX25MM
Bottom Bracket		SHIMANO 2-PIECE CRANKSET BSA THREADED
Headset	ACROS AZX-576, ZS44 ZS56 \| High Cap \| 2 Spacer 5 mm	ZERO STACK (ZS) SEALED BEARING FOR TAPER HEAD TUBE, ZS 44/28.6 \| ZS 56/40
Stem	E13 Base 35, 50 mm \| 0°Rise \| 6061 AL \| Black	Entity Xpert, Alloy, 35mm
Handlebar	E13 Base 35, Rise 35 mm \| Width 780 mm \| 9° Back Sweep \| 5° Up Sweep	ENTITY XPERT, ALLOY W:780MM R:20MM BB:35MM
Saddle	SDG BEL AIR 3.0, 140 mm I Lux-Alloy Rail I YT Custom Design	ENTITY XTENT
Seatpost	YT POSTMAN Standard Remote, Ø 31.6mm \| 125 mm (S-M) \|150 mm (L) \| 170 mm (XL-XXL)	TRANZ-X 150MM (S-M) 170 (L-XL) TRAVEL, ZERO OFFSET, 30.9MM
Pedals		ALLOY FLAT PEDAL W / REPLACEABLE PIN & REFLECTOR
Grips	ODI ELITE MOTION V2.1, Lock-On	Polygon Lock On

Groupset

Rear Derailleur	SRAM NX EAGLE, 12-speed	SHIMANO SLX RD-M7100-SGS DIRECT ATTACH
Crank	SRAM Descendant 6k, Crank Arm Length 175 mm \| 32T I DUB-PressFit	SHIMANO MT-510-1 BOOST 32T
Shifters	SRAM NX EAGLE, 12-speed	SHIMANO SLX SL-M7100-R, 1x12-SPEED TRIGGER
Cassette	SRAM PG 1230 EAGLE, 11-50T \| 12-speed	12 SPEED 11-51T
Chain		KMC X12 12SPEED
Brakes	SRAM G2 R, Rotor CENTERLINE Ø front 200 mm / rear 200 mm \| Adjustable Reach	TEKTRO HD-M745 4-PISTONS HYDRAULIC DISC BRAKES
Brake Levers		TEKTRO LEVER

Wheels

Rims	DT SWISS M 1900 SPLINE, Aluminum Rims 29“ \| Inner Width 30 mm \| Front Hub 110 x 15 mm \| Rear Hub 148 x 12 mm I HG I 3 Pawl	584 / 622-35 32H FOR TYRE 584 / 622-54/76 TUBELESS READY
Front Hub		Novatech D91SB-CL, Thru Axle 15x110mm 32h, Center Lock
Rear Hub		Novatec D462SB, 12x148mm, HG Freehub, 32h, Center Lock
Tires	MAXXIS MINION DHR II, Tire Size 29“ x 2.4 \| EXO Casing \| Tubeless Ready \| Dual Compound	PERFORMANCE TIRE, 27.5”X2.40” / 29”X2.40”
Disc Rotors		SHIMANO SM-RT54 180mm CENTER-LOCK

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