2020 Giant Defy Advanced 1

Large frame · Shimano Ultegra

£1,250

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Description

2020 Giant Defy Advanced 1 road bike, in excellent condition. Medium Large frame, 700c wheels, Shimano Ultegra groupset, hydraulic disc brakes, finished in other.

2020 Giant Defy Advanced 1 in detail

This 2020 Giant Defy Advanced 1 is a road bike in a large frame. The seller describes the condition as excellent. Weight is given as 8.8kg. It is located in Warwick.

Gearing is Shimano Ultegra. Brakes are hydraulic discs. Wheels are 700c, with tubeless tyres.

Pedals fitted are clipless.

Details supplied by the seller.

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Overview

  • Year2020
  • Frame sizeMedium Large
  • ConditionExcellent
  • Frame materialNot specified
  • Wheel size700c
  • DrivetrainShimano Ultegra
  • Brake typeHydraulic disc
  • CategoryRoad bike
  • Weight8.8 kg
  • ColourOther
  • ShiftingMechanical
  • Tyre typeTubeless
  • Country of originUnited Kingdom
  • PedalsClipless

Condition by component

How the seller rates the main parts.

  • FrameExcellent
  • WheelsExcellent
  • BrakesVery Good
  • DrivetrainExcellent
  • TyresGood
What these ratings mean
Excellent
As new. No marks beyond light polishing swirls, and nothing worn far enough to think about replacing.
Very Good
Light cosmetic marks from normal use. Everything works as it should and nothing is near the end of its life.
Good
Visible wear from regular use. Works properly, but a buyer should expect to replace something within a season of riding.

Additional information

11 more details from the seller.

This bike's history

The seller hasn't added service history, a service date, or proof of purchase. Ask them for these before you pay.

2 checks passed

Any questions?

Private Seller

Joined this year

Collection only
Warwick

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Where this bike is

WarwickApproximate area, not the address
Collection onlyAgreed with the seller

Locations are shown to the nearest town. Arrange the exact meeting point with the seller.

Before you buy

Work through these before you commit.

What owners say

Real ownership experiences, build threads, and gotchas from the community.

About this advert

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Similar bikes

Bought in 2019 it was a summer project to Upgrade all the components except for the frame and wheelset. Have finished the project but bought a new bike as well. Havent ridden it yet all Components are spanking brand new. Its like a new bike except for the frame. Selling it at a loss to free up some space . Never crashed the bike. Travelled to france Twice

GoodRimOther / mixed
Frame checkedFrame number checkedNo match on the registry we query, or our own theft reports. Checked 29 Sept 2026.How checks work →Halesowen

The bike features a striking, stealthy all-black frame finish sharply contrasted with a crisp white Bontrager Affinity RL performance saddle. It has been ridden very little, maybe two or three times, and is in near-mint condition, with virtually no signs of wear. This is a custom-built, high-performance climbing and aerodynamic road bike. I will include my Wahoo Elmnt Bolt (V1) with speed and cadence sensors, since I no longer need them. Key Specifications: Frameset: 2023 Giant TCR Advanced Pro Disc (All-Black / Stealth Finish). Saddle: Bontrager Affinity RL (White) Frame Size: ML (Medium/Large). Fits riders roughly 5'10" to 6'2" (177cm – 187cm). This is equivalent to a standard 56cm frame in other brands. Groupset: Shimano Ultegra 11-speed mechanical disc. Gearing: Fitted with a 53-39 "Pro" Traditional Chainset Wheelset: Mavic Cosmic Elite UST Disc. Tyres: Schwalbe Tubeless Tyres. Condition: Excellent / near-mint. No notable scratches, frame chips, or mechanical wear. It has spent its short life indoors and has been meticulously looked after. I am happy to answer any questions

Excellent56cmShimano UltegraCarbon
Frame checkedFrame number checkedNo match on the registry we query, or our own theft reports. Checked 29 Sept 2026.How checks work →Royston

Quick purchase required - end of this week commencing 21/09 ahead of relocation to Australia! This is a fantastic bike that I bought for one journey in 2020 - a John O’Groats to Lands End - and unfortunately have not used since. It has had one owner and has ridden the length of the country, but since then has barely seen a mile. I am moving to Australia and so the time has come to give it to a new home. I have had it serviced immediately post the ride and then more recently, with a view to ensuring it is in great condition for the new owner. The main parts of the bike are in excellent condition. There are a couple of scrapes on the bottom of the handlebars that could be removed with new tape and that is it really. I am not a cycling expert, so please do ask me any questions and I will try my best. It was a brand new Giant Defy Advanced 1 2020 in wine colour (purple) and I have made no alterations - rrp at the time £2,199. I would have loved to have ridden it more, but unfortunately life got in the way, so a great bike for the next user. I do have a brand new wahoo elemnt bolt stealth edition could be included for another £100, but will leave as optional.

ExcellentLHydraulicShimano Ultegra
Frame checkedFrame number checkedNo match on the registry we query, or our own theft reports. Checked 21 Sept 2026.How checks work →Basingstoke And Deane

Single owner, well loved road bike, owned since new, bought from Giant in Crystal Palace. Serviced every 6 months, not used since summer 2025 since moving house. Has clocked c.10,000km. Cracking bike, bought for ~£6,000 new. Tyre pump and Di2 chargers included with sale.

Very GoodXLMechanicalCarbon
Receipt (seller)Serviced 2025 (seller)
Frame checkedFrame number checkedNo match on the registry we query, or our own theft reports. Checked 16 Sept 2026.How checks work →Orpington

Up for sale is my Giant road bike, finished in a striking red carbon frame that turns heads every time I roll it out. If you're after a lightweight, responsive ride without paying carbon-fibre premium prices from some of the bigger names, this is worth a serious look. Under the paintwork you're getting a proper carbon frameset paired with a Shimano groupset, so shifting is crisp, reliable and exactly what you'd expect from a trusted, battle-tested drivetrain. The carbon wheels are a genuine highlight here too — they shed rotational weight compared to alloy hoops, which you'll notice immediately on climbs and when you're trying to get up to speed out of corners. Together, the frame and wheelset combination gives this bike a lively, quick feel that a lot of bikes in this class simply can't match. Condition-wise, I'd rate it as excellent. It's been looked after properly, no crash damage, no hidden issues, just genuine light-to-moderate use with care taken after every ride. There are no mechanical gremlins to worry about, and the drivetrain is running smoothly with no unusual wear. I'm based in South Lanarkshire, and collection in person is easy — happy to let you take it for a spin around the block before you commit, so you can feel exactly what I'm talking about with that carbon wheelset. Message me with any questions, I'm happy to send extra photos or details on request. Genuine buyers only please.

Good PriceMHydraulicCarbon
Receipt (seller)
Frame checkedFrame number checkedNo match on the registry we query, or our own theft reports. Checked 12 Sept 2026.How checks work →Largs

This is a Scott Addict RC road bike in excellent condition. It features a carbon frame, Shimano Ultegra groupset, and carbon wheels. The bike shows minimal signs of wear and is well-maintained.

ExcellentRimCarbon
Serviced 2024 (seller)
Frame checkedFrame number checkedNo match on the registry we query, or our own theft reports. Checked 27 Aug 2026.How checks work →Hertsmere

Giant Defy Advanced 1 pros and cons

Drawn from what the seller filled in on this advert. Anything they left blank is listed under Cons, so you know what to ask before you travel.

Pros

  • Stolen check on this frame came back clear
  • Frame number recorded, so it can be checked against a stolen-bike registry and rider-filed theft reports
  • Seller rates the overall condition as Excellent

Cons

  • Collection only, from Warwick
  • No proof of purchase listed. Worth asking: plenty of sellers still have one.
  • No service history given. Ask when it was last looked at.

Used Road Bikes, Buyer's Guide UK

Shimano 105 carbon from 2018-2022 is the sweet spot at £900-£1,500.

Author: Cyclesite editorial team

Reviewed 29 April 2026 · 15 min read

Read the guide
2020 Giant Defy Advanced 1