YT
Jeffsy 29 Core 3 CF
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Geometry
Geometry
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Geometry
Geometry
Frame geometry
| Geometry | L | M | S | XL | XXL |
|---|---|---|---|---|---|
| Stack | 627mm | 620mm | 613mm | 634mm | 642mm |
| Reach | 475mm | 455mm | 435mm | 495mm | 515mm |
| Headtube length | 116mm | 108mm | 100mm | 124mm | 132mm |
| Headtube angle | 65deg | 65deg | 65deg | 65deg | 65deg |
| BB height | 343mm | 343mm | 343mm | 343mm | 343mm |
| BB drop | 33mm | 33mm | 33mm | 33mm | 33mm |
| Trail | — | — | — | — | — |
| Fork length | — | — | — | — | — |
| Fork offset | — | — | — | — | — |
| Front center | — | — | — | — | — |
| Chainstay length | 437mm | 437mm | 437mm | 442mm | 442mm |
| Wheelbase | 1238mm | 1214mm | 1191mm | 1289mm | — |
| Top tube | 609mm | 593mm | 578mm | 627mm | 645mm |
| Standover height | 732mm | 728mm | 730mm | 738mm | 742mm |
| Seat tube length | 435mm | 410mm | 385mm | 460mm | 485mm |
| Seat tube angle | 77.9deg | 77.5deg | 76.9deg | 78.3deg | 78.6deg |
Spec geometry
| Geometry | L | M | S | XL | XXL |
|---|---|---|---|---|---|
| Crank length | 170mm | 170mm | 170mm | 170mm | 170mm |
| Stem length | 50mm | 50mm | 50mm | 50mm | 50mm |
| Handlebar width | 780mm | 780mm | 780mm | 780mm | 780mm |
| Handlebar reach | — | — | — | — | — |
| Handlebar drop | — | — | — | — | — |
| Saddle width | 140mm | 140mm | 140mm | 140mm | 140mm |
| Dropper post travel | 170mm | 150mm | 125mm | 200mm | 230mm |
| Seatpost offset | — | — | — | — | — |
Specs
Full specs
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Specs
Full specs
Frame
Frame
YT frame with YT STASH downtube storage (Concrete Grey / Black Magic)
Suspension
Rear shock
RockShox Super Deluxe Ultimate (210x55mm, 145mm travel, RC2T, 0L2 volume reducer)
Fork
RockShox Lyrik Ultimate (29", 150mm, Charger 3.1, 15x110mm, 44mm offset)
Brakes
Front brake
Hayes Dominion A4 (Stealth black/grey)
Rear brake
Hayes Dominion A4 (Stealth black/grey)
Front rotor
SRAM HS2, 203mm
Rear rotor
SRAM HS2, 203mm
Drivetrain
Shift levers
SRAM POD Controller (12-speed)
Rear derailleur
SRAM S1000 Eagle Transmission rear derailleur (12-speed, T-Type)
Cassette
SRAM S1000 Eagle Transmission (10-52T, T-Type, 12-speed)
Chain
SRAM Eagle Transmission T-Type 12-speed chain
Crankset
SRAM S1000 Eagle Transmission (170mm crank arms, 32T, 2 guards, DUB)
Bottom bracket
SRAM DUB bottom bracket (frame-specific standard not provided)
Cockpit
Stem
Renthal Apex 35 (50mm, 35mm clamp, +/-6°, Black/Black)
Handlebars
Renthal AL2014 (780mm width, 30mm rise, 7° backsweep, 5° upsweep, 6061 AL)
Grips
ODI Elite Motion V2.1 (lock-on)
Saddle
SDG Bel-Air 3.0 Overland (YT custom, 140mm, Lux-Alloy rails)
Seatpost
YT Postman V2 dropper (31.6mm, MMX remote, adjustable drop; 125mm S / 150mm M / 170mm L / 200mm XL / 230mm XXL)
Wheels & Tires
Front wheel
Crankbrothers Synthesis Enduro Alloy (29", 31.5mm internal, 110x15mm, 6-bolt)
Rear wheel
Crankbrothers Synthesis Enduro Alloy (29", 29.5mm internal, 148x12mm, 6-bolt, XD)
Front tire
Maxxis Minion DHF (29x2.50, EXO+ casing, 3C MaxxTerra, tubeless ready)
Rear tire
Maxxis Minion DHR II (29x2.40, EXO+ casing, 3C MaxxTerra, tubeless ready)
Weight
Weight
15.80 kg / 34.84 lb (avg for smallest size, tubeless, no pedals or bottle)