JEFFSY® AL One 27
includes import tax & duty
JEFFSY is ready to be your new bro and wingman – together you will be one hell of an awesome team. Whether on your home trails or crossing high mountains, JEFFSY scales the toughest peaks with unbelievable drive and traction, and inspires you to unexpected performances. JEFFSY lets you discover the most remote locations, climb the highest peaks, and keep it pinned on the way back down. Because JEFFSY is the YT of All Mountain bikes, it won’t hold you back even in the roughest terrain - thanks to its gravity oriented geometry JEFFSY is the epitome of agility and playfulness. And to meet our high design standards we gave it super compact proportions – looks like you and JEFFSY are going to turn quite some heads together.
With its aggressive headtube angle, low stand over height and compact chain stays JEFFSY is a player among trail bikes, ready to go fast and get loose in the roughest of terrain. The length of the rear triangle comes optimized for each frame size and thanks to the flip chip technology, JEFFSY’s geometry can be perfectly adapted to different terrain and to your style of riding. The low position gives you a more aggressive headtube angle and a bigger BB drop – perfect for quick and grimy downhill sections. The high position provides a smaller BB drop, so you can blast trails and tight turns with more ground clearance. Our prized Virtual 4 Link suspension technology is present on JEFFSY as well; sensitive, progressive, with lots of mid-travel support. This does not only give you the confidence needed for big gaps and rugged terrain but also makes pedaling super efficient. The tube walls are thicker in critical areas to make sure the frame can handle the abuse, and integrated protectors keep the downtube and chain stays out of harm’s way when the action heats up.
Fans of aluminum bikes can also enjoy a great parts selection on their JEFFSY: the user-friendly RockShox Pike RC fork and Deluxe RT shock offer 150 mm of smooth, controlled travel. SRAM’s 1x11 X1 drivetrain provides a great range of gears that both beginners and pros will appreciate. All new is the e*thirteen dropper post which comes in different lengths depending on frame size. Add the 770 mm wide Race Face Turbine handlebars, the Maxxis High Roller II tires, and the SRAM Guide RS brakes and there is nothing standing between you and good times on the trail.
FrameJEFFSY Aluminium 27,5"
air-formed aluminum frame, V4L Virtual 4-Link rear suspension, 148x12mm, DT Swiss QR Thru axle
Rear DerailleurSRAM X1
1x11, Type 2.1, Cage-Lock
WheelsetDT Swiss M1900 Spline 27,5"
27,5", FW 15x100 Thru Axle, RW 12x148 Thru Axle, XD Driver
ShockRockShox Deluxe RT
air shock, DebonAir, 2-way-compression (open, pedal), external rebound, 230mm x 60mm
Front TireMaxxis High Roller II
27,5"x 2,4", EXO, MaxxPro
ForkRockShox Pike RC
air fork, Solo Air, low-speed compression, external rebound, tapered steerer, 15x100 QR Thru axle, 42mm Rake
CassetteSRAM XG 1150
11spd, 10-42 teeth
Rear TireMaxxis High Roller II
27,5"x 2,4", EXO, MaxxPro 60a
Travel front/rear150mm / 150mm
11spd, with PowerLock
StemRACE FACE Turbine
35mm clamp, 50mm (S/M), 60mm (L/XL)
ZS44;28,6 | ZS56;40, sealed headset with industrial bearings
BrakesSRAM Guide RS
4-piston caliper, tool-free reach adjust, SwingLink lever, Bleeding Edge technology, DOT 5.1
HandlebarRACE FACE Turbine 35
35mm clamp, 770mm wide, 35mm rise, 8° backsweep, 5° upsweep
CranksetRACE FACE Turbine
175mm, 32t direct mount, BB92
Discs front/rearSRAM Centerline 200mm / 180mm
Seatposte*thirteen Dropper Post
internal cable routing, S: 425mm/125mm travel, M,L, XL: 505mm/150mm travel, 31,6mm
Bottom BracketRACE FACE
GripsThe Sensus Lite
SaddleSDG Fly MTN
custom YT Logo
Pedalswithout / ohne
At the end of the ordering process, you can add high-quality pedals at special rates to your shopping cart.
Frame SizeS / M / L / XL
for the size that suits you best, please check the sizing-chart above
Weight13,5 kg / 29,7 lb
*Weight measured without pedals in frame size S. Due to manufacturing tolerances of the individual components the bike weight may differ +/- 2%.
*Please note that the pictures may differ from the actual specifications.
|A Toptube length||573 mm||602 mm||625 mm||648 mm|
|B Reach||415 mm||440 mm||460 mm||480 mm|
|C Stack||584 mm||597 mm||611 mm||620 mm|
|D Seattube length||410 mm||450 mm||480 mm||520 mm|
|E Chainstay length||430 mm||430 mm||435 mm||435 mm|
|F Headtube angle||66,5 / 67 °||66,5 / 67 °||66,5 / 67 °||66,5 / 67 °|
|G Seattube angle (eff.)||75,0 / 75,5 °||75,0 / 75,5 °||75,0 / 75,5 °||75,0 / 75,5 °|
|H BB Drop||15 / 9 mm||15 / 9 mm||15 / 9 mm||15 / 9 mm|
|I Wheelbase||1138 mm||1169 mm||1200 mm||1224 mm|
|J Headtube length||95 mm||110 mm||125 mm||135 mm|
|K bb height||341 / 347 mm||341 / 347 mm||341 / 347 mm||341 / 347 mm|
|L fork installment length||542 mm||542 mm||542 mm||542 mm|
|M fork offset||42 mm||42 mm||42 mm||42 mm|
|standover height||708 mm||737 mm||752 mm||782 mm|
The perfect match: JEFFSY and the THIRSTMASTER 3000.