ALVAS 爱瓦士 DA54. A dated mainland China DA54 price lead now has exact manufacturer identity, construction and fit evidence; ALVAS is the correct brand spelling.
The recorded complete-bike price is ¥11,439; its date and basis remain visible below.
Buying context
Before buying, verify Exact mainland China drivetrain, wheels, cockpit and complete-bike weight for the selected listing option; Primary confirmation of the secondary 32 mm maximum-clearance value and meaningful frame-stiffness evidence; Current domestic warranty route and final checkout conditions.
Specifications and evidence
Product type
Complete bike
Category
Aero road · Endurance road
Evidence maturity
Research profile
Price basis
China price · conditional · 2026-08-08
Frame material
ALVAS X1 high-modulus carbon frame and carbon fork; the live global page does not publish a fiber supplier, grade or lay-up
Frame construction
Aero-shaped endurance-road frame with fully internal routing, T47 bottom bracket, 12x142/12x100 thru axles, flat-mount brakes and SRAM UDH compatibility
Bottom bracket
T47 threaded
Tire clearance
32 mm
Tire clearance basis
Bike Insights' exact 2025 DA54 record reports 32 mm and attributes its geometry data to alvas.bike; the live manufacturer text shows fitted 28C tires but does not state the maximum
Reference builds
Current global Ultegra Di2/Vision SL60 and Australian 105 Di2/Helux R60 builds prove multiple regional trims; neither is assigned to the dated mainland China listing
Stiffness evidence
No exact-model numeric stiffness test or sufficiently specific independent frame-stiffness assessment was found; regional marketing and general responsiveness impressions are not treated as measurements
The original ALUMS text was a transcription error; current manufacturer and regional records consistently use ALVAS / 爱瓦士. The global and Australian pages publish different complete builds, so the retained CNY 11,439 listing remains trim-ambiguous. A reviewed Australian Ultegra build weighed 8.4 kg with pedals, but that value is not transferred to the mainland China listing.
An informal powered loop test of China Rides' ALVAS DA54 (105 Di2, Helux carbon wheels) against a Canyon Aeroad CFR at 200 and 250 W.
China Rides · 2026-03-06. The channel says it has worked with ALVAS for over half a year and visited its factories; the description links ALVAS.Disclosure basis.
Takeaways
Price at publication2:14As built (Shimano 105, Helux carbon crank, 50 mm carbon-spoked wheels, Magene pedals) the DA54 cost ¥28,000 and weighed 7.7 kg, against 7.3 kg for the presenter's Canyon Aeroad CFR at about £10,000–11,000.
Fit check2:14He describes the DA54 geometry as very similar to the Aeroad, although his DA54 front end was set 3 cm lower.
Ride impression10:24In uncontrolled windy road loops the speeds at 200 W and 250 W were practically the same; he attributes differences mainly to rider position and wheels rather than the frame.
Automatic captions reviewed 2026-10-25. Paraphrased by Chinese Bikes; points apply to the build shown, not to every size or trim.
An Australian rider's first 160 km on a size-S ALVAS DA54 with Shimano Ultegra Di2 and 60 mm Helux wheels, including stock and modified weights.
The Velographer · 2026-02-22. How the bike was obtained is not stated; the presenter is sponsored by a wheel brand whose wheels he fitted after the stock test.Disclosure basis.
Takeaways
Price at publication2:17Quoted at A$5,200 retail in Australia (about US$4,500 by his estimate) with a T700/T800 carbon aero frame, integrated cockpit and 60 mm hooked carbon Helux wheels.
Measured4:20The stock size-S bike weighed 8.4 kg with Dura-Ace pedals; after swapping wheels, saddle, cassette and tape it was 7.77 kg with pedals, mounts and computer.
Build note8:42The aero seatpost uses a compression-plug clamp and did not slip; the integrated cockpit came with an 80 mm stem and 400 mm drops (about 300 mm at the hoods); T47 bottom bracket and 165 mm cranks on the small size.
Build note9:46The build is full Shimano Ultegra 12-speed Di2 including chain and cassette, with no substituted parts.
Ride impression15:15Steering is sharp yet stable above 60 km/h on a descent with no rattles or wobbles; the stock saddle was comfortable for 100 km.
Automatic captions reviewed 2026-10-25. Paraphrased by Chinese Bikes; points apply to the build shown, not to every size or trim.
A self-supported ride across Hainan on China Rides' custom ALVAS DA54 with Helux DD8 wheels, focused on durability, speed with luggage and climbing.
China Rides · 2026-01-02. ALVAS custom-designed this bike for the channel, which says it has worked with the brand and visited its factories; the channel's clothing is sponsored.Disclosure basis.Watch on YouTube ↗
Takeaways
Build note0:06The bike was custom-designed for the channel by ALVAS about six months earlier; it carries ALVAS's own carbon crank and Helux DD8 wheels of about 1,200 g at 50 mm depth with a 30 mm internal width.
Ride impression2:16On rough roads into a headwind the aggressive position and wide rims at 80 psi kept it comfortable; with 9 kg of luggage he averaged around 30 km/h over 250 km.
Ride impression7:40It climbed well on 5–8% grades with luggage; set up like his Canyon Aeroad CFR, he judged it a race bike that held up over about 700 km with no reported faults.
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.
ALVAS Bike · Manufacturer product pageIdentity: High · Specification: High · Price: Low · accessed 2026-08-29
Current exact-model manufacturer page supports the ALVAS spelling and DA54 identity, ALVAS X1 carbon frame and fork, T47 bottom bracket, UDH compatibility, fully internal routing, a current Ultegra Di2 reference build with Vision SL60 wheels, and fitted 700x28C Michelin Power Cup tires. It provides no complete-bike weight or maximum-tire statement, and its component table mislabels FD-R8150 and RD-R8150 as Shimano 105 even though those part numbers belong to Ultegra; the part numbers are retained without repeating the label error.
ALVAS Bikes Australia · Manufacturer regional product pageIdentity: High · Specification: High · Price: High · accessed 2026-08-29
Current official Australian DA54 105 Di2 page supports a high-modulus ALVAS X1 carbon frame, T47 bottom bracket and fitted 700x28C tires. Its Helux-wheel regional build is materially different from the global Vision-wheel build and is not assigned to the dated mainland China listing.
Bike Insights · Geometry databaseIdentity: Medium · Specification: Medium · Price: Low · accessed 2026-08-29
Exact 2025 DA54 geometry record attributes its data to alvas.bike and reports a 32 mm maximum tire width across XS-L. The live manufacturer product text currently publishes fitted 28C tires but not the maximum, so this value is presented as secondary database evidence rather than a direct manufacturer claim.
MyBike.parts · Independent review indexIdentity: Medium · Specification: Medium · Price: Low · accessed 2026-08-29
Index of an exact-model independent video reports an Australian Ultegra/Helux review bike at 8.4 kg with pedals and 7.77 kg after modifications. That regional build does not establish the weight of the dated mainland China listing and is retained only to show why weight cannot be transferred between DA54 trims.
