YT Jeffsy 29" CF Core 4 Bike My Name Is Jeffsy All-mountain bikes are great at many things. Whether you prefer pointing your bike downhill or you like cruising the fire roads and flowy trails, you'll love riding on an all-mountain bike. The YT Jeffsy 29" CF Core 4 Bike is a capable all-rounder for the new breed of trail rider, ready to push your abilities as you explore your potential as a team. The lightweight carbon fiber frame uses 150mm of travel on the front and 145mm of travel on the rear. Large 29" wheels let you roll over all the obstacles in your way. The frame features internal cable routing, integrated frame protection, downtube storage, and a water bottle cage mount. The Core 4 version of the YT Jeffsy 29" CF Bike comes with a SRAM X0 Eagle Transmission 12-speed drivetrain. With a 10-52T cassette on the rear, you'll have no issues climbing steep hills or pedaling through difficult terrain. Hayes Dominion A4 hydraulic disc brakes provide excellent stopping power so you can descend under control. DT Swiss EXC 1501 Spline One wheels are paired with Maxxis tires that can be set up tubeless for a smoother ride, better traction, and fewer flats. With the YT Postman V2 Dropper Post, you'll be able to quickly lift and lower your saddle with the press of a lever. Features Carbon fiber frame with internal cable routing, integrated frame protection, downtube storage, and a water bottle cage mount SRAM X0 Eagle Transmission 12-speed drivetrain performs well in various conditions Hayes Dominion A4 hydraulic disc brakes provide excellent stopping power Tubeless-ready rims and tires for a smoother ride, better traction, and fewer flats YT Postman V2 Dropper Post quickly lifts and lowers your saddle with the press of a lever SPECIFICATIONSFrame Carbon Fiber Fork Fox 36 Float Factory, 150mm Travel, Grip X2, 44mm Offset Rear Shock Fox Float X Factory, 210x55mm Headset Cane Creek 40 ZS44/ZS56Shifters SRAM Pod Ultimate Controller, 12-Speed Front Derailleur Come Back Later Rear Derailleur SRAM X0 Eagle Transmission, 12-Speed Crankset SRAM X0 Eagle Transmission, 32TBottom Bracket SRAM DUB Press Fit Chain SRAM 12-Speed Cassette SRAM X0 1295 Eagle Transmission, 10-52TBrakes Hayes Dominion A4 Hydraulic Disc, 203/203mm Rotors Wheelset DT Swiss EXC 1501 Spline One Rims, 15x110/12x148mm Hubs Tires Maxxis DHF 29x2. 5" EXO+ 3C Maxx Terra TR / Minion DHRII 29x2. 4" EXO+ 3C Maxx Terra TRHandlebar Renthal Fatbar 35, 780mm Wide, 30mm Rise Stem Renthal Apex 35, 50mm Grips/Bar Tape ODI Elite Motion V2. 1 Lock-On Seatpost YT Postman V2, 31. 6mm, S:125, M:150, L:170, XL:200 XXL:230mm Travel Seatclamp Bolt-Type Saddle SDG Bel Air 3. 0 Overland, 140mm, Lux-Alloy Rails Intended Use All-Mountain Note: Components are subject to change without notice. METRICINCHYT Jeffsy Size Small Medium Large Extra Large XX-Large A: Seat Tube Length385410435460485B: Effective Top Tube578593609627645C: Stack613620627634642D: Reach435455475495515E: BB Height343343343343343F: BB Drop3333333333G: Head Tube Length100108116124132H: Head Tube Angle65 deg65 deg65 deg65 deg65 degI: Seat Tube Angle76. 9 deg77. 5 deg77. 9 deg78. 3 deg78. 6 degJ: Standover Height730728732738742K: Chainstay Length385410435460485L: Wheelbase11911214123812661289Crank Arm Length170 mm170 mm170 mm170 mm170 mm Stem Length50 mm50 mm50 mm50 mm50 mm Handlebar Width780 mm780 mm780 mm780 mm780 mm Suggested Rider Height Frame Size Small Medium Large Extra Large XX-Large Rider Height5'0" - 5'5" 153 - 166 cm5'4" - 5'9" 162 - 176 cm5'8" - 6'1" 172 - 185 cm5'11" - 6'4" 181 - 194 cm6'3" - 6'8" 190 - 203 cm YT Jeffsy Size Small Medium Large Extra Large XX-Large A: Seat Tube Length15. 216. 117. 118. 119. 1B: Effective Top Tube22. 823. 324. 024. 725. 4C: Stack24. 124. 424. 725. 025. 3D: Reach17. 117. 918. 719. 520. 3E: BB Height13. 513. 513. 513. 513. 5F: BB Drop1. 31. 31. 31. 31. 3G: Head Tube Length3. 94. 34. 64. 95. 2H: Head Tube Angle65. 0 deg65. 0 deg65. 0 deg65. 0 deg65. 0 degI: Seat Tube Angle76. 9 deg77. 5 deg77. 9 deg78. 3 deg78. 6 degJ: Standover Height28. 728. 728. 829. 129. 2K: Chainstay Length15. 216. 117. 118. 119. 1L: Wheelbase46. 947. 848. 749. 850. 7Crank Arm Length170 mm170 mm170 mm170 mm170 mm Stem Length50 mm50 mm50 mm50 mm50 mm Handlebar Width780 mm780 mm780 mm780 mm780 mm Suggested Rider Height Frame Size Small Medium Large Extra Large XX-Large Rider Height5'0" - 5'5" 153 - 166 cm5'4" - 5'9" 162 - 176 cm5'8" - 6'1" 172 - 185 cm5'11" - 6'4" 181 - 194 cm6'3" - 6'8" 190 - 203 cm | Yt | Jeffsy 29 Cf Core 4 2025 Bike | Fog Green | 2Xl