Giant Defy Advanced Pro 1 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 |
| Stem | Giant Contact SL Aerolight |
| Bars | Giant Contact SL D-Fuse |
| Front Brake | SRAM Rival eTap AXS hydraulic, SRAM PaceLine rotors [F]160mm, [R]140mm |
| Rear Brake | SRAM Rival eTap AXS hydraulic, SRAM PaceLine rotors [F]160mm, [R]140mm |
| Brake Lever | SRAM Rival eTap AXS hydraulic |
| Front Mech | SRAM Rival eTap AXS |
| Rear Mech | SRAM Rival eTap AXS |
| Shifters | SRAM Rival eTap AXS 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 | Giant Gavia Fondo 1, tubeless, 700x32c (33.5mm), folding |
| Rear Tyre | Giant Gavia Fondo 1, tubeless, 700x32c (33.5mm), folding |
| Seat Post | Giant D-Fuse SL, composite, -5/+15mm offset |
| Saddle | Giant Fleet SL |
| Chainset | SRAM Rival D1 DUB, 33/46 with Giant Power Halo power meter |
| Bottom Bracket | SRAM DUB, press fit |
| Chain | SRAM Rival D1 |
| Cassette | SRAM Rival, 12-speed, 10x36 |
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 1 2025 - Road Bike
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*Courier deliveries to Northern Ireland, Isle of Man, Isle of Wight, Channel Islands and the Scottish Highlands/Islands will incur a charge.At Tredz, if you are not 100% happy with your order, then you can use our simple hassle free returns service. Simply return the item new and unused in the manufacturers original packaging within 365 days of purchase. Bikes and larger items are collected by courier.
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