Trans–Fat

2015–2016

Trans–Fat: Orange
Trans Fat orange

Added fat! Super sweet and good for you too, the limited edition Ibis Trans–Fat.

The Trans-Fat utilized the T-29 front triangle, an all new rear triangle and a couple of clever bits to make it compatible with fat bike fitment standards.

Frame Material Carbon front and rear triangle
Wheel Size 26”, works with 4" tires
Front Travel Designed to work with 120mm forks
Drive Geared or Singlespeed compatible, Gates Carbon Belt Drive compatible
Rear Axle 177 x 12mm
Seatpost Diameter 31.6mm
Rear Brake 160mm post mount / 180mm max rotor
Chainstay Length 444mm (17.5 inches)
Bottom Bracket 100mm BSA thread bottom bracket (with provided BB92 adapters)
Headset ZS44 upper / EC49 lower
Front Derailleur Just say no
Colors Orange
Sizes M / L / XL
Years Manufactured 2015–2016

Archived Build Kits for the Trans–Fat

Build kits show components included when the Trans–Fat was last available.

SLX

Component Standard Component
Fork RockShox Bluto 120mm
Wheels Sun Ringle Mulefut 80SL 26”
Tires Schwalbe Jumbo Jim Snakeskin 26x4
Brakes
Cranks Shimano XT M8000 175, 24mm spindle, 30t Alloy Ring
Rear Derailleur Shimano SLX Rear 11 Speed
Shift Levers Shimano SLX 11 Speed
Cassette Shimano XT 11-46 11-spd
Chain CN-HG700-11
Headset Cane Creek 40: ZS44/EC49
Grips Lizard Skins Charger Evo
Handlebars Ibis 780mm Alloy
Stem Ibis 31.8mm (50, 60, 70, 80, 90mm)
Seatpost Ibis 31.6 Aluminum, 350mm
Saddle WTB Silverado 142

The latest setup guide/s for the Trans–Fat:

Setup Guide .pdf

Tranny29 geo

120mm Rockshox Bluto Fork (531mm axle to crown)

Nominal Size   Medium Large X-Large
Seat Tube Length A 432 17 483 19 533 21
Top Tube Length B 584 23 605 23.8 625 24.6
Head Tube Length C 94 3.7 100 3.9 115 4.5
Chainstay Length D 452 17.8 452 17.8 452 17.8
Seat Tube Angle E 72° 72° 72° 72° 72° 72°
Head Tube Angle F 70° 70° 70° 70° 70° 70°
Wheelbase G 1097 43.2 1117 44 1149 45.2
BB Height (with Jumbo Jim's) 315 12.4 315 12.4 315 12.4
Stack 630 24.8 636 25 651 25.6
Reach 379 14.9 400 15.7 424 16.7
Trail 80 3.1 80 3.1 80 3.1

Sizing Guide (Rider Height)

m
163–175CM5'4"–5' 9"
l
175–188CM5'9"-6'2"
xl
183–198CM6'–6'6"