Chinese Bikes

Evidence reviewed through . Price records retain their own observation dates and conditions.View sourcesMethodology and dataset

X-LABComplete bikeOfficial mainland China model

X-LAB AD8

¥26,980Official price · 2026-08-27
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Category
Aero road
Complete weight
7.6 kg
Bottom bracket
T47 86-24
Tire clearance
32 mm
Sizes
XS, S, M, L and XL

Overview

X-LAB AD8. A current aero complete bike with an official 7.6 kg Shimano 105 Di2 build, full mainland China specification and a 32 mm manufacturer maximum tire clearance.

The recorded complete-bike price is ¥26,980; its date and basis remain visible below.

Buying context

Before buying, verify Final dealer stock, delivery total and mainland China warranty issuer for the preferred official build; Independent complete-bike measurement for the preferred official C50 TEAM configuration.

Specifications and evidence

Product type
Complete bike
Category
Aero road
Evidence maturity
Official mainland China model
Price basis
Official price · 2026-08-27
Drivetrain
Shimano 105 R7170 Di2 2×12 system reference
Complete weight
7.6 kg
Complete weight basis
Official size-M complete-bike weight without pedals; paint variation may change the result.
Frame
Toray T800 × M40X carbon, UDH compatible
Bottom bracket
T47 86-24
Tire clearance
32 mm
Tire clearance basis
Manufacturer maximum tire clearance.
Wheels
Branta C50 TEAM carbon
Tires
Michelin Pro 5 700×28C
Cockpit
X-LAB carbon integrated cockpit; size-specific 360–400 mm width and 90–130 mm stem
Brakes
Shimano 105 R7170 hydraulic; 160/140 mm rotors
Sizes
XS, S, M, L and XL
Stiffness evidence
Exact-model independent review describes the AD8 as stiff through the chassis with strong power transfer and an immediate response under hard efforts; qualitative ride evidence, not an instrumented deflection test

The catalog row uses the coherent official mainland China R7170 Di2 / Branta C50 TEAM build. A cheaper selected Taobao trim and a lighter custom owner build remain separate below rather than donating their price or weight to that row.

Other documented builds

These are separate configurations. Their weight, drivetrain, and price are not mixed into the catalog reference row.

Taobao standard Astana 105 Di2 buildDrivetrain: Shimano 105 electronic large package, 2×12Weight: 8.0 kg — Seller-listed net weight; size and pedal basis not stated.Price: ¥21,980 on 2026-08-27 — Selected standard Astana / steel-spoke carbon wheel / 105 electronic large-package / size-S optionWheels: Steel-spoke carbon wheels

The selected listing option was available with seven-day preorder dispatch and CNY 8 shipping; it is not treated as the official C50 TEAM trim.

Custom size-L R7170 buildDrivetrain: Shimano R7170 Di2 2×12Weight: 7.56 kg — Public build post states fully equipped weight; exact accessories and measurement method are not itemized.Wheels: 静藤惯性 wheelsetTires: 艾瑞森 tires

Exact owner/custom build context only; no current sale price is attached.

Dealer 105 Di2 build, steel-spoke carbon wheelsDrivetrain: Shimano 105 Di2 R7170Price: ¥21,980 on 2026-10-24 — Dealer custom-build option, Astana paint, size MWheels: Choice of 大石影豹, 十周年金标, VOSO or 破风PX36 carbon

Dealer assembly, not factory C50 wheels; no 7-day no-reason return.

Dealer 105 Di2 build, SUPERTEAM carbon-spoke wheelsDrivetrain: Shimano 105 Di2 R7170Price: ¥22,980 on 2026-10-24 — Dealer custom-build option, Astana paint, size MWheels: SUPERTEAM 羽燕 Light or 鲨鱼鳍 Pro 2

Dealer assembly, not factory C50 wheels.

Dealer Ultegra Di2 build, steel-spoke carbon wheelsDrivetrain: Shimano Ultegra Di2 R8170Price: ¥24,980 on 2026-10-24 — Dealer custom-build option, Astana paint, size MWheels: Choice of 大石影豹, 十周年金标, VOSO or 破风PX36 carbon

Dealer assembly.

Dealer Ultegra Di2 build, SUPERTEAM carbon-spoke wheelsDrivetrain: Shimano Ultegra Di2 R8170Price: ¥25,980 on 2026-10-24 — Dealer custom-build option, Astana paint, size MWheels: SUPERTEAM 羽燕 Light or 鲨鱼鳍 Pro 2

Dealer assembly.

Price history

ObservedPriceTypeConditions
¥26,980Official referenceR7170 Di2 12S / Branta C50 TEAM complete bike · Official retail reference; final price varies by location and delivery method.

Videos

Build and ridePublication review

Chinese Custom Bike Build - Components Weight & Prices in Tianjin, China

Exact X-LAB AD8 custom-build context. The shown configuration is not treated as the official mainland China reference trim and does not donate its price, weight or components to that record.

Components, weight and prices · 2:07Frame design · 8:28Bike build · 10:55
China Rides · 2026-06-19. The channel page lists Lameda and Light Bicycle as partners with discount codes; no model-specific supply statement was established for this video. Disclosure basis.

Takeaways

  • Measured3:23Parts weighed at a Tianjin shop: uncut fork 339 g, one-piece bar 100 mm × 36 cm 350 g, seatpost with clamp 171 g.
  • Price at publication5:56In June 2026 the AD8 frame, fork, bar and seatpost package cost CNY 10,500 at the shop; the owner's finished custom-colour build came to just under CNY 20,000.
  • Build note9:20The owner chose the AD8 (one lay-up below the WorldTour AD9) because XLab sells it frame-only with a factory custom colour, which is often unavailable for flagship models.
Automatic captions reviewed 2026-10-24. Paraphrased by Chinese Bikes; points apply to the build shown, not to every size or trim.
Hands-on reviewProduct supplied

XDS X-LAB AD8 - Western Brands Should Be AFRAID

Unboxing, spec walk-through and first ride on a stock size-XL X-LAB AD8 complete bike.

Patrick Lino · 2026-10-13. X-LAB sent the bike for review. It is the US-market AD8 with 105 Di2; he describes 45 mm Branta wheels, while the candidate's mainland China build lists Branta C50 wheels. Disclosure basis.

Takeaways

  • Measured0:00The stock size-XL bike weighed 7.9 kg all in, including a bottle cage, pedals, the spider power meter and a computer mount.
  • Price at publication4:07The US price is US$4,499 with 105 Di2, a carbon saddle, carbon-spoked wheels of about 1,380 g and a dual-sided spider power meter on carbon cranks.
  • Build note7:07The 45 mm wheels have about 22 mm internal and 30 mm external width, and the 28 mm Michelin tires measure about 30 mm on them.
  • Fit check9:54He says the sizes run small: the XL, the largest size, has 405 mm reach and about 834 mm standover; it ships with about 40 mm of spacers and a 40 cm bar with a 120 mm stem.
  • Ride impression16:31Out of the box it had no creaks or rattles and was composed over rough pavement; the ride is stiff but not punishing, and the long wheelbase makes it stable rather than twitchy.
  • Ride impression17:36In stock form it feels less sprightly and nimble than a Tarmac SL8, Propel or Foil, which he partly attributes to riding a larger size than usual.
Automatic captions reviewed 2026-10-25. Paraphrased by Chinese Bikes; points apply to the build shown, not to every size or trim.

Sources

These sources support this model page; individual claims retain the confidence of their cited source.

  1. X-LAB AD8 season complete-bike specification

    XDS · Manufacturer product pageIdentity: High · Specification: High · Price: Medium · accessed 2026-08-27

    Official mainland China specification for the R7170 Di2 / Branta C50 TEAM complete bike. It states 7.6 kg without pedals in size M, Toray T800 x M40X carbon, T47, Shimano 105 Di2 2x12, 11-34T, 50/34T, Michelin Pro 5 700x28C tires, five-size geometry and a 100 kg maximum load.

  2. X-LAB AD8 season complete-bike purchase page

    XDS · Manufacturer product pageIdentity: High · Specification: High · Price: High · accessed 2026-09-01

    Current exact official mainland China purchase page retains the CNY 26,980 reference for the R7170 Di2 / Branta C50 TEAM complete bike and warns that final price varies by location and delivery method.

  3. X-LAB AD8

    X-LAB / XDS · Manufacturer product pageIdentity: High · Specification: High · Price: Medium · accessed 2026-08-27

    Official current platform page states a 32C maximum tire clearance. Its 7.41 kg size-L Branta C45 UL build is a different configuration from the mainland China season build and is not used as that build's weight.

  4. X-LAB AD8 Astana complete-bike Taobao listing

    福隆單車正品老店 on Taobao · Marketplace product pageIdentity: High · Specification: Medium · Price: High · accessed 2026-08-27

    The signed-in public listing showed CNY 21,980 for the selected standard Astana, steel-spoke carbon-wheel, Shimano 105 electronic large-package build in size S. It stated 8 kg net weight but did not state a pedal or measurement basis. Shipping was CNY 8, stock was shown as available with seven-day preorder dispatch, and a Taobao-coin incentive was not deducted. No account, delivery-address or transaction data is retained.

  5. X-LAB AD8落地

    XHS public post · Public community postIdentity: High · Specification: Medium · Price: Low · accessed 2026-08-27

    Exact-model public build post dated 2026-05-24. It records a size-L AD8 team build with Shimano R7170 Di2, 静藤惯性 wheels, 艾瑞森 tires, a 大石 3D TOP saddle and 7.56 kg fully equipped weight. This is retained as a separate custom build, not merged into the catalog reference trim. The validated archive contains 10 detailed posts, 112 comment rows and 46 media files.

  6. X-LAB AD8 review

    Bicycling · Cycling industry reviewIdentity: High · Specification: Medium · Price: Low · accessed 2026-09-01

    Exact-model ride review describes the AD8 as stiff through the chassis with strong power transfer and an immediate response under hard efforts. This is qualitative ride evidence, not an instrumented frame-deflection measurement.

  7. X-LAB AD8 official mainland China price page recheck

    XDS · Manufacturer product page recheckIdentity: High · Specification: None · Price: None · accessed 2026-09-25

    Reopened 2026-09-25, but no readable page text was returned. This access did not confirm current price, stock or checkout. Preserve the dated ¥26,980 official reference from the 2026-09-01 read of the exact R7170 Di2 / Branta C50 TEAM build; do not present it as a current available price.

  8. X-LAB AD8 Taobao dealer build listing

    福隆單車正品老店 on Taobao · Marketplace product pageIdentity: High · Specification: Medium · Price: High · accessed 2026-10-24

    Dealer custom assembly (定制组装; no 7-day no-reason return). Options: 标准版 steel-spoke carbon wheels with 105 Di2 ¥21,980 or UT Di2 ¥24,980; 高级版 carbon-spoke wheels with 105 Di2 ¥22,980 or UT Di2 ¥25,980. Spec text: Shimano 105 R7170 or Ultegra R8170 Di2 groupset; XDS carbon one-piece bar; Continental TR tyres; SUPERTEAM 3D saddle; standard wheels one of 大石影豹, 十周年金标, VOSO or 破风PX36; premium wheels SUPERTEAM 羽燕 Light or 鲨鱼鳍 Pro 2. Not the factory Branta C50 wheels. Shipping ¥8; pre-order, 7-day dispatch. No buyer, account, delivery-address or transaction data is retained.