VelopediaBicycle Archive · Specification report

2015 Giant Defy 1

Velopedia Archive ID 900002529

Overview

Model year2015
BrandGiant
ModelDefy 1
Bicycle typeRoad
Archive ID900002529
Original MSRP$1,425.00
ColorsBlack/White/Blue
SizesXS; S; M; M/L; L; XL

Frameset

Frame constructionALUXX SL-grade aluminum
Frame materialAluminum
ForkComposite, Alloy OverDrive steerer
Fork materialCarbon Fiber
Rear shockN/A

Drivetrain

ShiftersShimano 105
Front derailleurShimano 105
Rear derailleurShimano 105
CranksetFSA Gossamer Pro, 34/50
Bottom bracketShimano, Press Fit
CassetteShimano 105 11x32, 11-speed
ChainKMC X11L
PedalsCaged w/ toe clip and strap

Brakes

BrakesTektro R540

Cockpit & contact points

HandlebarGiant Connect, 31.8mm
StemGiant Sport
SaddleGiant Performance Road
SeatpostGiant D-Fuse, Composite

Wheels & tires

HubsGiant Performance Tracker Road, Sealed bearing, [F] 24h, [R] 28h
RimsGiant P-R2
SpokesSapim Race, 14/15g
Front tireGiant P-R3, Flat Guard Deflect 3, Front and rear specific, 700x25
Rear tireGiant P-R3, Flat Guard Deflect 3, Front and rear specific, 700x25

Geometry · XS/43.0

Top tube515 mm
Head tube125 mm
Head-tube angle71°
Seat-tube angle74°
Chainstay / rear center420 mm
Wheelbase983 mm
Reach365 mm
Stack523 mm
Standover height736.6 mm

Geometry · S/46.5

Top tube530 mm
Head tube145 mm
Head-tube angle72°
Seat-tube angle74°
Chainstay / rear center420 mm
Wheelbase990 mm
Reach373 mm
Stack545 mm
Standover height754.38 mm

Geometry · M/50.0

Top tube545 mm
Head tube165 mm
Head-tube angle72.5°
Seat-tube angle73.5°
Chainstay / rear center420 mm
Wheelbase995 mm
Reach377 mm
Stack566 mm
Standover height777.24 mm

Geometry · M/L/53.5

Top tube560 mm
Head tube185 mm
Head-tube angle72.5°
Seat-tube angle73°
Chainstay / rear center420 mm
Wheelbase1007 mm
Reach381 mm
Stack585 mm
Standover height789.94 mm

Geometry · L/55.5

Top tube575 mm
Head tube205 mm
Head-tube angle72.5°
Seat-tube angle73°
Chainstay / rear center420 mm
Wheelbase1022 mm
Reach390 mm
Stack604 mm
Standover height812.8 mm

Geometry · XL/58.5

Top tube1511.3 mm
Head tube571.5 mm
Head-tube angle72.5°
Seat-tube angle72.5°
Chainstay / rear center1066.8 mm
Wheelbase2633.98 mm
Reach398 mm
Stack623 mm
Standover height833.12 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 7, 2026.