Giant Defy Advanced Pro 0 2025 - Road Bike
Key Performance Factors
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | Advanced-Grade Composite, 12x142mm thru-axle, disc |
| Fork | Advanced SL-Grade Composite, Full-Composite OverDrive Aero Steerer, 12x100mm thru-axle, Disc |
| Rear Shock | N/A |
| Stem | Giant Contact SL Aerolight |
| Bars | Giant Contact SLR D-Fuse |
| Front Brake | Shimano Ultegra Di2 hydraulic, Shimano RT-CL800 rotors [F]160mm, [R]160mm |
| Rear Brake | Shimano Ultegra Di2 hydraulic, Shimano RT-CL800 rotors [F]160mm, [R]160mm |
| Brake Lever | Shimano Ultegra Di2 |
| Front Mech | Shimano Ultegra Di2 FD-R8150 |
| Rear Mech | Shimano Ultegra Di2 RD-R8150 |
| Shifters | Shimano Ultegra Di2 ST-R8170 2x12 |
| Speed | 24 |
| Rims | Giant SLR 1 36 Carbon Disc WheelSystem |
| Front Hub | [F] Giant Low Friction Hub, CenterLock, 12mm thru-axle, [R] Giant Low Friction Hub, 30t ratchet driver, CenterLock, 12mm thru-axle |
| Rear Hub | [F] Giant Low Friction Hub, CenterLock, 12mm thru-axle, [R] Giant Low Friction Hub, 30t ratchet driver, CenterLock, 12mm thru-axle |
| Spokes | Sapim |
| Front Tyre | CADEX Classics, tubeless, 700x32c (33.5mm), folding |
| Rear Tyre | CADEX Classics, tubeless, 700x32c (33.5mm), folding |
| Seat Post | Giant D-Fuse SLR, composite, -5/+15mm offset |
| Saddle | Giant Fleet SL |
| Chainset | Shimano Ultegra, 34/50 with Giant Power Pro power meter |
| Bottom Bracket | Shimano, press fit |
| Chain | Shimano Ultegra |
| Cassette | Shimano Ultegra, 12-speed, 11x34 |
See the table below to find the right size.
Road Bike Sizing
XXS (44)
4'8"
5'1"
XS (48)
5'1"
5'4"
S (51)
5'4"
5'7"
M (54)
5'7"
5'10"
L (56)
5'10"
6'0"
XL (58)
6'0"
6'3"
XXL (60)
6'3"
6'5"
XXXL (62)
6'5"
6'9"
Read our bike size guide for more information on sizing.
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Height |
Size |
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4’8” / 143cm |
44 (XXS) |
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4’9” / 145cm |
44 (XXS) |
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4’10” / 148cm |
44 (XXS) |
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4’11” / 150cm |
44 (XXS) |
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5’0” / 152cm |
44 (XXS) |
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5’1” / 155cm |
44 (XXS) |
48 (XS) |
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5’2” / 158cm |
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48 (XS) |
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5’3” / 160cm |
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48 (XS) |
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5’4” / 163cm |
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48 (XS) |
51 (S) |
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5’5” / 165cm |
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51 (S) |
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5’6” / 168cm |
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51 (S) |
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5’7” / 170cm |
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51 (S) |
54 (M) |
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5’8” / 173cm |
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54 (M) |
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5’9” / 175cm |
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54 (M) |
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5’10” / 178cm |
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54 (M) |
56 (L) |
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5’11” / 180cm |
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56 (L) |
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6’0” / 183cm |
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56 (L) |
58 (XL) |
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6’1” / 185cm |
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58 (XL) |
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6’2” / 188cm |
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58 (XL) |
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6’3” / 191cm |
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58 (XL) |
60 (XXL) |
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6’4” / 193cm |
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60 (XXL) |
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6’5” / 196cm |
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60 (XXL) |
62 (XXXL) |
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6’6” / 198cm |
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62 (XXXL) |
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6’7” / 201cm |
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62 (XXXL) |
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6’8” / 203cm |
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62 (XXXL) |
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6’9” / 205cm |
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62 (XXXL) |
Read our bike size guide for more information on sizing.
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Giant Defy Advanced Pro 0 2025 - Road Bike
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