Giant Defy Advanced Pro 2 2025 - Road Bike
The Giant Defy Advanced Pro 2 is designed to deliver smooth, efficient rides, even on the longest journeys. The Advanced-Grade Composite frame features endurance geometry to reduce fatigue, while the D-Fuse components further enhance comfort by minimising road vibrations.
Key Features:
- Frame: Advanced-Grade Composite with endurance geometry for a lightweight, comfortable ride.
- Fork: Advanced SL-Grade Composite, full composite steerer for precise handling.
- Drivetrain: Shimano 105 2x12-speed groupset for reliable and responsive shifting.
- Brakes: Shimano 105 hydraulic disc brakes with SM-RT70 160mm rotors for powerful stopping.
- Wheels: Giant SLR 2 36 Carbon Disc WheelSystem with Gavia Fondo 1 tubeless tyres for grip and speed.
- Other Features: D-Fuse composite seat post and handlebars absorb road vibrations for added comfort.
- Finance Options: Available with 0% APR finance for flexible payment.
Equipped with Shimano 105 components, the bike offers precise shifting and consistent braking performance in all conditions. The Giant SLR 2 Carbon WheelSystem paired with Gavia Fondo tyres ensures excellent grip, speed, and stability across a range of surfaces.
Whether tackling long-distance sportives, exploring rolling country roads, or pushing your limits on extended climbs, the Defy Advanced Pro 2 is designed to excel.
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 | Shimano 105 hydraulic, Shimano SM-RT70 rotors [F]160mm, [R]160mm |
Rear Brake | Shimano 105 hydraulic, Shimano SM-RT70 rotors [F]160mm, [R]160mm |
Brake Lever | Shimano 105 hydraulic |
Front Mech | Shimano 105 |
Rear Mech | Shimano 105 |
Shifters | Shimano 105 2x12 |
Speed | 24 |
Rims | Giant SLR 2 36 Carbon Disc WheelSystem |
Front Hub | [F] Giant Low Friction Hub, CenterLock, 12mm thru-axle, [R] Giant Low Friction Hub, 3-pawl 30t driver, CenterLock, 12mm thru-axle |
Rear Hub | [F] Giant Low Friction Hub, CenterLock, 12mm thru-axle, [R] Giant Low Friction Hub, 3-pawl 30t 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 | Shimano 105, 34/50 |
Bottom Bracket | Shimano, press fit |
Chain | KMC X12L-1 |
Cassette | Shimano 105, 12-speed, 11x36 |
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.
Height |
Size |
|||||||
4’8” / 143cm |
44 (XXS) |
|
|
|
|
|
|
|
4’9” / 145cm |
44 (XXS) |
|
|
|
|
|
|
|
4’10” / 148cm |
44 (XXS) |
|
|
|
|
|
|
|
4’11” / 150cm |
44 (XXS) |
|
|
|
|
|
|
|
5’0” / 152cm |
44 (XXS) |
|
|
|
|
|
|
|
5’1” / 155cm |
44 (XXS) |
48 (XS) |
|
|
|
|
|
|
5’2” / 158cm |
|
48 (XS) |
|
|
|
|
|
|
5’3” / 160cm |
|
48 (XS) |
|
|
|
|
|
|
5’4” / 163cm |
|
48 (XS) |
51 (S) |
|
|
|
|
|
5’5” / 165cm |
|
|
51 (S) |
|
|
|
|
|
5’6” / 168cm |
|
|
51 (S) |
|
|
|
|
|
5’7” / 170cm |
|
|
51 (S) |
54 (M) |
|
|
|
|
5’8” / 173cm |
|
|
|
54 (M) |
|
|
|
|
5’9” / 175cm |
|
|
|
54 (M) |
|
|
|
|
5’10” / 178cm |
|
|
|
54 (M) |
56 (L) |
|
|
|
5’11” / 180cm |
|
|
|
|
56 (L) |
|
|
|
6’0” / 183cm |
|
|
|
|
56 (L) |
58 (XL) |
|
|
6’1” / 185cm |
|
|
|
|
|
58 (XL) |
|
|
6’2” / 188cm |
|
|
|
|
|
58 (XL) |
|
|
6’3” / 191cm |
|
|
|
|
|
58 (XL) |
60 (XXL) |
|
6’4” / 193cm |
|
|
|
|
|
|
60 (XXL) |
|
6’5” / 196cm |
|
|
|
|
|
|
60 (XXL) |
62 (XXXL) |
6’6” / 198cm |
|
|
|
|
|
|
|
62 (XXXL) |
6’7” / 201cm |
|
|
|
|
|
|
|
62 (XXXL) |
6’8” / 203cm |
|
|
|
|
|
|
|
62 (XXXL) |
6’9” / 205cm |
|
|
|
|
|
|
|
62 (XXXL) |
Read our bike size guide for more information on sizing.
Customer reviews and Q&A's are disabled because you declined functional cookies.
To enable reviews and Q&A's click the 'Cookie Settings' button below and enable functional cookies.
Giant Defy Advanced Pro 2 2025 - Road Bike
Cycle to Work is a salary sacrifice scheme, where you can save up to 42% off a new Bike and Safety equipment. This means the cost is deducted from your salary as a non-cash benefit, so you save on tax and national insurance.
Here at Tredz, we accept Cycle to Work vouchers from all national schemes. For more information click here.
At Tredz we make finance easy. You can choose from a range of flexible finance repayments from 6 months up to 48 months, choose to place a deposit and pay the balance on finance. Go with a 0% APR finance deal with absolutely no interest on payments, or a 9.9% APR Buy Now Pay later option with a choice of 12 or 24 deferred payment options, or a longer-term 14.9% APR option with lower monthly payments. For more information click here.
At Tredz, we’re committed to bringing you the best products at the best prices. If you find a product cheaper elsewhere, simply contact us for an immediate response using our live chat service. Click here to discuss your price match with an agent now for help.
Subject to Terms and Conditions
At Tredz, we offer a fast high quality service, with a range of options from free delivery on orders over £30, next day and convenient click & collect from one of our stores. Simply select within the checkout.
*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.
When you receive your bike, all you'll need to do is unpack it, attach the pedals, turn the handlebars and ride.
To help you get started we have put together a handy Bike Building Guide, click here.