Giant Defy Advanced 1 (2025)
Giant Defy Advanced 1 (2025)
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With effortless efficiency and quiet compliance, this lightweight endurance road machine helps you ride stronger and longer. The composite frame and purpose-built components smooth out rough roads and minimise fatigue.
KEY PERFORMANCE FACTORS
Functional Simplicity
Free of cumbersome gimmickry, the frameset is one of the lightest in its category. With a perfect balance of high-performance reactivity and all-day comfort, it offers a “less is more” experience for modern endurance road riding.
Engineered Compliance
Advanced-grade composite frame and fork are specifically engineered for endurance road riding, delivering a smooth and efficient ride quality that minimises fatigue on long rides. The new D-Fuse components work together to further absorb road shocks and vibrations.
Total Control
New Contact D-Fuse handlebar features ergonomic shaping and an 8-degree flare for comfort and control on all-day rides. Wide, alloy rims are optimised for high-volume tubeless tyres (up to 38mm), providing predictable handling and stability from asphalt to cobbles.
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SizesXS, S, M, M/L, L, XL
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ColoursFrost Silver
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FrameAdvanced-Grade Composite, 12x142mm thru-axle, disc
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ForkAdvanced-Grade Composite, full-composite OverDrive steerer, 12x100mm thru-axle, disc
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ShockN/A
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HandlebarGiant Contact SL D-Fuse XS:40/42cm, S:40/42cm, M:42/44cm, M/L:42/44cm, L:44/46cm, XL:44/46cm
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GripsStratus Lite 3.0
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StemGiant Contact AeroLight XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm
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SeatpostGiant D-Fuse, composite, 14mm offset
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SaddleGiant Approach
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PedalsN/A
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ShiftersShimano 105 Di2 ST-R7170
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Front DerailleurShimano 105 Di2 FD-7150
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Rear DerailleurShimano 105 Di2 FD-7150
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BrakesShimano 105 Di2 hydraulic, Giant MPH rotors [F]160mm, [R]160mm
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Brake LeversShimano 105 Di2
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CassetteShimano 105, 12-speed, 11x36
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ChainKMC X12L-1
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CranksetShimano 105, 34/50 XS:170mm, S:170mm, M:172.5mm, M/L:172.5mm, L:175mm, XL:175mm
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Bottom BracketShimano, press fit
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RimsGiant P-R2 Disc wheelset, alloy
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HubsGiant alloy, 12mm thru-axle
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SpokesSapim
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TiresGiant Gavia Fondo 1, tubeless, 700x32c (33.5mm), folding
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ExtrasWater bottle cages, tubeless prepared, 38mm max tyre size
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WeightThe most accurate way to determine any bike’s weight is to have your local dealer weigh it for you. Many brands strive to list the lowest possible weight, but in reality weight can vary based on size, finish, hardware and accessories. All our bikes are designed for best-in-class weight and ride quality.

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Shipping
- Shipping is on us for orders over R2500 and bikes over R8000.
- Smaller items are shipped using TheCourierGuy, larger items are shipped using Triton Express.
- Instore items can be collected instore, or couriered within 48 hours with main city centers with an extra 24 hours for outlying areas.
- Items which are ordered from suppliers can take up to 7 days to receive.
- Custom items have a lead time which will be discussed after checkout.
Payment Methods
We operate on a quotation based system, once you have placed your order, we will confirm stock in store and with our suppliers.
We will send through a quotation via email for payment via EFT.
Card payments are available through Yoco's secure online payment portal.
Returns/Exchanges
- Products may be returned/exchanged within 10 days of purchase for a full refund (excluding courier fees).
- Items must be in brand new condition with the original packaging.
The following items may not be returned: Nutrition, tyre sealant, chamois cream.