MSRP | $1,999 | $2,199 |
|---|---|---|
Where to Buy | $1,999 9% off At YT Industries | $2,199 8% off At YT Industries |
Category | Mountain Youth | Mountain Youth |
Weight | 30.9 lbs | 33.7 lbs |
| Aluminum | Aluminum | |
Fork | RockShox Reba | RockShox Lyrik |
Wheels | Aluminum | Aluminum |
| 26″ | 27.5″ | |
Brakes | Hydraulic Disc | Hydraulic Disc |
Groupset | SX Eagle | SX Eagle |
Drivetrain | 1 × 12 | 1 × 12 |
Suspension | Full | Full |
Front Travel | 140mm | 150mm |
Rear Travel | 140mm | 150mm |
Brand Site | ||
Summary | The YT Industries Jeffsy Primus 26 and YT Industries Jeffsy Primus 27 are both aluminum frame mountain youth bikes with upper mid-range components and hydraulic disc brakes. The Jeffsy Primus 26 has 26″ aluminum wheels, while the Jeffsy Primus 27 has 27.5″ aluminum wheels, a better fork, more travel, and higher gearing. | |
Based on frame geometry and build specs.
Fork | ROCKSHOX REBA, 26“ | 140 mm Travel | 100 x 15 mm Axle | Offset 40 mm | Adjustable Rebound, Air Pressure Travel: 140mm Spring Type: Air | ROCKSHOX LYRIK BASE, 27.5“ | 150 mm Travel | RC | 100 x 15 mm Axle | Offset 44 mm | Adjustable Rebound, Air Pressure Travel: 140mm Spring Type: Air |
|---|---|---|
Shock | ROCKSHOX DELUXE SELECT, Shock Length: 190 mm | Shock Stroke: 45 mm ≙ 140 mm Travel | Adjustable Rebound, Air Pressure, Custom Tune Travel: 150mm Spring Type: Air | ROCKSHOX DELUXE SELECT, Shock Length: 230 mm | Shock Stroke: 60 mm ≙ 150 mm Travel | Adjustable Rebound, Air Pressure, Custom Tune 0L1 Travel: 150mm Spring Type: Air |
Headset | ACROS AZX-576, High Cap | 2 Spacer 5 mm | ACROS AZX-576, High Cap | 2 Spacer 5 mm |
Stem | E13 BASE 35, Length 40 mm | 35 mm Clamp | Rise 0° | 6061 AL | E13 BASE 35, Length 40 mm | 35 mm Clamp | Rise 0° | 6061 AL |
Handlebar | E13 BASE 35, Width 760 mm | Rise 20 mm | 9° Back Sweep | 5° Up Sweep | 6061 AL | E13 BASE 35, Width 760 mm | Rise 20 mm | 9° Back Sweep | 5° Up Sweep | 6061 AL |
Saddle | SDG BEL AIR 3.0, YT Custom | Width 140 mm I Lux-Alloy Rail | SDG BEL AIR 3.0, YT Custom | Width 140 mm I Lux-Alloy Rail |
Seatpost | YT POSTMAN V2, Ø 31.6 mm | Length 100 mm | Standard-Remote | Adjustable drop 20 / 10 / 5mm | YT POSTMAN V2, Ø 31.6 mm | 125 mm | Std. Remote I Adjustable drop 20 / 10 / 5 mm |
Grips | ODI ELITE MOTION V2.1, Lock On | ODI ELITE MOTION V2.1, Lock On |
Rear Derailleur | SRAM SX EAGLE, 12-speed | SRAM SX EAGLE, 12-speed |
|---|---|---|
Crank | SRAM SX EAGLE, Crank Arm Length 165 mm | 30T | DUB | SRAM SX EAGLE, Crank Arm Length 165 mm | 32T | DUB |
Shifters | SRAM SX EAGLE, 12-speed | SRAM SX EAGLE, 12-speed |
Cassette | SRAM PG1210 Eagle, 11-50T | 12-speed | SRAM PG1210 Eagle, 11-50T | 12-speed |
Brakes | SRAM G2 R, Rotor CENTERLINE Ø front 160 mm / rear 160 mm, Adjustable Reach | SRAM G2 R, Rotor CENTERLINE Ø front 200 mm / rear 200 mm Adjustable Reach |
Rims | SUNRINGLÉ DUROC, Aluminum Rims 26“ | Inner Width 26 mm | Front Hub 100 x 15 mm, Rear Hub 148 x 12 mm | CRANKBROTHERS Synthesis Enduro 2 Alloy, Aluminum Rims 27.5“ | Inner Width 31.5/29.5 mm | Front Hub 15 x 100mm Boost | Rear Hub 148 x 12 mm |
|---|---|---|
Tires | MAXXIS MINION DHR II, Front: Tire Size 26“ x 2.4 I EXO Casing I 3C MaxxTerra Compound I Tubeless Ready, Rear: Tire Size 26“ x 2.3 I EXO Casing I Dual Compound I Tubeless Ready | FRONT: MAXXIS MINION DHF I REAR: MAXXIS MINION DHR II, Front: Tire Size 27.5“ x 2.4 I EXO Casing I 3C MaxxTerra Compound I Tubeless Ready I, Rear: Tire Size 27.5“ x 2.3 I EXO Casing I Dual Compound I Tubeless Ready |