An Overview of all the JEFFSY 27 Models

YT JEFFSY 27 CF PRO RACE – € 4,499

YT Jeffsy 27 Bike Review6 1140x760

Fork: FOX 34 Float Factory 160 mm
Rear shock: FOX Float X Factory 160 mm
Brakes: SRAM Guide Ultimate
Drivetrain: SRAM X01
Seatpost: RockShox Reverb Stealth
Stem: Renthal Apex 35
Handlebars: Renthal Fatbar Carbon 35
Wheels: E.13 TRSR SL
Tires: E.13 TRSR (vorne) + E.13 TRS +

YT JEFFSY 27 CF Pro – € 3,999

YT Jeffsy 27 Bike Review5 580x387 YT Jeffsy 27 Bike Review7 580x387

Fork: FOX 34 Performance Elite 150 mm
Rear shock: FOX Float DPS Performance Elite 150 mm
Brakes: SRAM Guide RSC
Drivetrain: SRAM XO1 Eagle
Seatpost: RaceFace Turbine
Stem: RaceFace Turbine 35
Handlebars: RaceFace Sixc 35
Wheels: E.13 TRS +
Tires: MAXXIS High Roller II

YT JEFFSY 27 ONE – € 3,399

YT Jeffsy 27 Bike Review3 580x387 YT Jeffsy 27 Bike Review4 580x387

Fork: RockShox Pike RCT3 150 mm
Rear shock: RockShox Deluxe RT3 150 mm
Brakes: SRAM Guide RS
Drivetrain: SRAM X1
Seatpost: RaceFace Turbine
Stem: RaceFace Turbine 35
Handlebars: RaceFace Turbine 35
Wheels: E.13 TRS
Tires: MAXXIS High Roller II

YT JEFFSY 27 CF TWO – € 3,399

YT Jeffsy 27 Bike Review8 580x387 YT Jeffsy 27 Bike Review9 580x387

Fork: RockShox Pike RCT3 150 mm
Rear shock: RockShox Deluxe RT3 150 mm
Brakes: SRAM Guide RS
Drivetrain: Shimano XT
Seatpost: RockShox Reverb Stealth
Stem: RaceFace Turbine 35
Handlebars: RaceFace Turbine 35
Wheels: E.13 TRS
Tires: MAXXIS High Roller II

YT JEFFSY 27 AL ONE – € 2,599

YT Jeffsy 27 Bike Review1 1140x760

Fork: RockShox Pike RC 150 mm
Rear shock: RockShox Deluxe RT 150 mm
Brakes: SRAM Guide RS
Drivetrain: SRAM X1
Seatpost: E.13 Dropper Post
Stem: RaceFace Turbine 35
Handlebars: RaceFace Turbine 35
Wheels: DT Swiss M1900 Spline
Tires: MAXXIS High Roller II

YT JEFFSY 27 AL TWO – € 2,099

YT Jeffsy 27 Bike Review2 1140x760

Fork: RockShox Pike RC 150 mm
Rear shock: RockShox Deluxe R 150 mm
Brakes: SRAM Guide R
Drivetrain: SRAM GX
Seatpost: RockShox Reverb Stealth
Stem: RaceFace Aeffect 35
Handlebars: RaceFace Aeffect 35
Wheels: DT Swiss M1900 Spline
Tires: MAXXIS High Roller II

ENDURO Mountainbike Magazine

ENDURO is the leading magazine for mountain bike technology and the modern trail riding lifestyle. We cover high-end bikes, global trends, and technical innovations – in-depth, bold, and always with an eye on the bigger picture. Our editorial approach speaks to everyone who sees mountain biking not just as a sport, but as a way of life. We view bikes as more than just the sum of their parts, evaluating products through the lens of real world riding rather than just on the spec sheet, testing bikes everywhere from alpine adventures to intense bikepark laps.

Since 2011, ENDURO has stood for journalistic quality and transparent reporting in the MTB segment. In our in-depth individual and comparison reviews, our specialist test team brings years of on-trail experience from around the world to deliver well-founded verdicts and real guidance for riders. Our awards are internationally recognized as a benchmark for innovation and quality in the bike industry, offering reliable orientation for readers, retailers, and manufacturers alike.

ENDURO is published in both German and English, reaching an international audience.