Evidence reviewed through . Price records retain their own observation dates and conditions.View sourcesMethodology and dataset
X-LAB DAWNBREAKER
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- Category
- Triathlon / time trial
- Complete weight
- 9.1 kg
- Frame weight
- 1,245 g
- Bottom bracket
- BBT47 86-24
- Sizes
- S, M, L and XL
Overview
X-LAB DAWNBREAKER. XDS's time-trial bike with a Toray T1100×M40X frame and official mainland China builds: R7170 Di2 with BRANTA disc wheel at CNY 59,980 (9.08 kg, size S), Dura-Ace Di2 at CNY 108,000 and a CNY 49,980 frameset.
The recorded complete-bike price is ¥59,980; its date and basis remain visible below.
Buying context
Before buying, verify Manufacturer maximum tire clearance; Storage, hydration or other triathlon-specific integration; Race-legality statement; Final dealer stock, delivery total and mainland China warranty issuer.
Specifications and evidence
- Product type
- Complete bike
- Category
- Triathlon / time trial
- Evidence maturity
- Official mainland China model
- Price basis
- Official price · 2026-10-27
- Drivetrain
- Shimano Di2 2×12: Dura-Ace R9160 TT shift buttons and R9180 brake levers with 105 Di2 R7150 derailleurs; 50/34T, 11–34T system reference
- Complete weight
- 9.1 kg
- Complete weight basis
- Official size-S complete-bike weight without pedals; paint finish may change the result.
- Frame
- X-LAB DAWNBREAKER carbon time-trial frame, Toray T1100×M40X
- Frame material
- Toray T1100×M40X carbon frame with X-LAB TT carbon fork; lay-up unpublished
- Frame weight
- 1,245 g
- Frame weight basis
- Official frameset page: size-S frame without fork, seatpost and handlebar.
- Bottom bracket
- BBT47 86-24
- Wheels
- BRANTA DAWNBREAKER TT 80 mm front, closed disc rear
- Tires
- Michelin Pro 5 700×28C
- Cockpit
- X-LAB TT carbon base bar with Vision Metron TFE PRO extensions
- Brakes
- Shimano Dura-Ace R9270 hydraulic; SM-RT70 rotors
- Seatpost
- 350 mm X-LAB TT carbon seatpost
- Axles
- 12×100 mm front thru-axle; flat-mount brakes
- Max load
- 100 kg maximum load (official)
- Sizes
- S, M, L and XL
- Geometry
- Official chart, stack/reach mm: S 490/395, M 493/410, L 512/428, XL 540/448
The catalog row uses the official R7170 Di2 build. The Dura-Ace Di2 build and the frameset stay separate below because their weights, wheels and prices differ.
Other documented builds
These are separate configurations. Their weight, drivetrain, and price are not mixed into the catalog reference row.
Frame 1,245 g in size S without fork, seatpost and handlebar.
Price history
| Observed | Price | Type | Conditions |
|---|---|---|---|
| ¥59,980 | Official reference | R7170 Di2 12S / BRANTA DAWNBREAKER disc-wheel complete bike · Official retail reference; final price varies by location and delivery method. |
Sources
These sources support this model page; individual claims retain the confidence of their cited source.
X-LAB DAWNBREAKER time-trial bike specification
Official mainland China specification for the time-trial bike in its R7170 Di2 / BRANTA DAWNBREAKER build: 9.08 kg without pedals in size S; X-LAB DAWNBREAKER carbon frame of Toray T1100×M40X; X-LAB TT carbon fork with 12×100 mm thru-axle and flat-mount brakes; X-LAB TT carbon base bar with Vision Metron TFE PRO extensions; 350 mm X-LAB TT carbon seatpost; Shimano Dura-Ace Di2 R9160 shift buttons and R9180 brake levers with 105 Di2 R7150 derailleurs, FC-R7100 50/34T and CS-R7101 11–34T; BBT47 86-24 bottom bracket; Dura-Ace R9270 brakes with SM-RT70 rotors; BRANTA DAWNBREAKER TT 80 mm front wheel and closed disc rear; Michelin Pro 5 700×28C tires; 100 kg maximum load. Four sizes S–XL; stack/reach S 490/395, M 493/410, L 512/428, XL 540/448 mm. No maximum tire clearance, storage system or race-legality statement is given.
X-LAB DAWNBREAKER official mainland China purchase page
Official mainland China purchase page showed an official retail price of CNY 59,980 for the R7170 Di2 build with BRANTA DAWNBREAKER TT disc wheel and Vision TFE PRO extensions, one listed finish and sizes S–XL. The page says the final price can vary by location and delivery method. Checkout was not started.
X-LAB DAWNBREAKER Dura-Ace Di2 specification
Official mainland China specification for the Dura-Ace Di2 build: 8.83 kg without pedals in size L; the same frame, fork, cockpit and seatpost as the R7170 build; Dura-Ace Di2 R9160 shift buttons, R9180 brake levers and R9250 derailleurs, FC-R9200 54/40T and CS-R9200 11–34T; Vision Metron 91 front and Metron TTW disc rear wheels; Michelin Pro 5 700×28C tires. The official bicycle listing shows this build at CNY 108,000.
X-LAB DAWNBREAKER frameset specification
Official mainland China frameset page: frame weight 1,245 g in size S excluding fork, seatpost and handlebar; the package lists the X-LAB TT carbon fork, X-LAB TT carbon base bar, Vision Metron TFE PRO extensions and 350 mm X-LAB TT carbon seatpost. The official bicycle listing shows the frameset at CNY 49,980.
XDS official mainland China bicycle store listing
Official mainland China store listing read in a browser on 2026-10-27. X-LAB cards and official prices: RS9 R9270 Di2 / Vision Metron 45 SL CNY 49,980; RS9 frameset CNY 17,800; RS8 R7170 Di2 / BRANTA C45 UL CNY 21,980; RS8 frameset CNY 10,980; RT9 frameset CNY 26,800; RT8 frameset CNY 9,980; DAWNBREAKER R7170 Di2 CNY 59,980, R9270 Di2 / Vision Metron 91 SL CNY 108,000 and frameset CNY 49,980; plus AD8, AD9, GT8 and mountain-bike listings. The GT8 2026 card describes X-LAB’s first racing gravel road bike (X-LAB首款竞速砾石公路车) at CNY 21,980. Road framesets are listed as including a carbon integrated handlebar and carbon seatpost. The XDS-series filter returned no bicycles and no AD7 card appeared.