Ibis Tranny Geometry
NOMINAL SIZE Small Medium Large X-Large
SEAT TUBE LENGTH (A) 15" 17" 19" 21"
STANDOVER 27.2" 28.7" 28.8" 29.5"
HEAD TUBE ANGLE (B) 70° 70° 70° 70°
SEAT TUBE ANGLE (C) 73° 73° 73° 73°
EFFECTIVE TOP TUBE (D) 560 (22") 580 (22.8") 605 (23.8") 630 (24.8")
HEAD TUBE LENGTH (E) 105 (4.1") 115 (4.5") 135 (5.3") 155 (6.1")
CHAIN STAY LENGTH (F) 425 (16.7") 425 (16.7") 425 (16.7") 425 (16.7")
WHEELBASE 1034 (40.7") 1065 (41.9") 1091 (43") 1117 (44")

Measurement in millimeters unless otherwise noted
Seat Post Diameter: 31.6 mm
Front Derailler: 34.9 mm Down swing/top-pull
Headset: Cane Creek Integrated standard
BB height: 12"
BB: 73mm (BSA) English thread
Recommended fork travel: 100mm
Geometry based on using a 100mm travel fork with 10mm sag
Chainline: 50MM
Rear Brake Mount: International Standard