Winspace SLC3.0 frameset. Important current lightweight Chinese road frameset with a 699 g claimed frame and a dated official direct sale price.
The displayed Est. ¥15,800 estimate adds the adjustable ¥6,000 build allowance to the recorded ¥9,800 frame price.
Package contents are unconfirmed; do not subtract component costs from the allowance without an exact package quote.
Buying context
Before buying, verify Dated mainland-China RMB checkout observation and purchase route; Exact domestic warranty handling and final landed cost.
Specifications and evidence
Product type
Frame estimate
Category
Climbing road
Evidence maturity
Official global model
Price basis
Frame ¥9,800 · Official FX estimate · 2026-08-17
Frame
Ultralight carbon road frameset
Frame weight
699 g
Sizes
460, 480, 500, 530 and 550 mm
Tire clearance
32 mm
Tire clearance basis
Current manufacturer collection FAQ; measured width, dependent on rim internal width
Frame weight basis
Current exact manufacturer claim for an unpainted size-M frame; tolerance and included-hardware basis unpublished. Video field reports: The Watt Life says owner-weighed size-M frames came in around 710–720 g; Hambini weighed the fork at 418 g and seatpost at 182 g and gave the frame as around 820 g without stating size.
Price status
Current US$1,450 global price only; no attributable mainland China CNY checkout amount after 50 registered areas
Stiffness evidence
Manufacturer says the exact SLC3 significantly improves stiffness in key areas; qualitative claim without a public stiffness protocol. Video field reports: The Watt Life felt the thin fork flex with brake rub on hard descents at about 76–78 kg, and Hambini found a slightly oversized FSA headset bearing that left play until Winspace UK replaced it.
Current exact manufacturer evidence publishes US$1,450, a 699 g unpainted size-M frame and significantly improved stiffness in key areas. Mainland China checkout and warranty handling remain unresolved. Batch 27 exact-field disposition dated 2026-09-23; retain model/trim and mainland China-market limits in the research record.
Price history
Observed
Price
Type
Conditions
¥9,800
Official FX estimate
1450 USD · 6.7894 CNY/USD · 2026-07-31
About Winspace
Premium Chinese performance brand with strong product execution and a credible production-control story.
Review of a Winspace SLC 3.0 road build with ride, equipment and issue discussion. Creator chapter links help navigate the review; its build and comparisons do not establish checkout or warranty in mainland China.
David Arthur - Just Ride Bikes · 2024-09-15. The description identifies Squarespace as an episode sponsor. Winspace frame-supply and payment terms are not established by that description.Disclosure basis.
Takeaways
Measured1:58The size-L test bike Winspace supplied, with Ultegra Di2 and ~1,200 g carbon wheels, weighed 6.66 kg without pedals; Winspace claims under 700 g for an unpainted medium frame.
Build note2:55One-piece aero cockpit with round steerer and split spacers, a round 27.2 mm seatpost with external clamp, covered thru-axle ends (awkward on smart trainers) and a press-fit (PF86, per the reviewer) bottom bracket.
Ride impression6:00After about five weeks: rides as well as, though not better than, a Giant TCR Advanced Pro, climbs very well and is smooth on rough roads with 28 mm tires; less fast on flats than an aero bike.
Finish and faults12:56The front-derailleur mount worked loose, unplugging its wire, which he attributes to assembly or missing threadlocker; he notes repairs may mean shipping to China where there is no local Winspace service, and a 3-year warranty versus Giant's lifetime cover.
Automatic captions reviewed 2026-10-24. Paraphrased by Chinese Bikes; points apply to the build shown, not to every size or trim.
A long-term SLC3.0 rider sums up its strengths and weaknesses before moving his parts to the new SLC5.
The Watt Life · 2025-09-07. Winspace provided both frames and he has worked with the brand for years; he says Winspace does not pay him. The SLC5 weigh-in in the video is a different model and is not used here.Disclosure basis.
Takeaways
Measured2:32Winspace said a size-M SLC3 frame would be under 700 g; he and other reviewers found theirs closer to 710–720 g, and he thinks only an unpainted M would get there.
Ride impression3:15He found it very comfortable and compliant, thanks to thin seatstays and a round 27.2 mm seat tube, and used it as his go-to road-racing bike.
Ride impression3:53At about 76–78 kg he felt the thin fork flex when hammering descents and often got brake rub; he also had a lot of movement in the headset bearings.
Build note7:59The SLC3 uses a BB86 press-fit bottom bracket and has 32 mm tire clearance, the same as the SLC5.
Automatic captions reviewed 2026-10-25. Paraphrased by Chinese Bikes; points apply to the build shown, not to every size or trim.
Hambini inspects the Winspace SLC3.0 frameset, measures its tolerances and reports after about 2,000 km.
Hambini · 2025-04-26. Engineer-led inspection and 2,000 km ride review; how he obtained the frame is not stated, and Winspace UK replaced a headset bearing.Disclosure basis.Watch on YouTube ↗
Takeaways
Measured1:26He weighed the fork at 418 g and the seatpost at 182 g, and said the frame is around 820 g; frame size and included hardware are not stated.
Finish and faults3:01Touch points and brake mounts were dressed and checked flat with a rule; the BB86 shell measured about 40.95–41.0 mm and was faced, and the inside is clean EPS-moulded work.
Fit check3:20From the flared chainstays he reckons 32 mm tires would fit; this is his inspection estimate.
Finish and faults9:16The only fault was the FSA ACR headset: the top bearing bore measured about 42.08 mm instead of 42 mm, leaving play. Winspace UK sent a replacement in under 24 hours.
Fit check11:39The frame is compact, so sizing takes care; with long legs and a short torso he needed extra spacers.
Ride impression12:55The ride is soft and silky, mostly because of the long, thin round 27.2 mm seatpost; overall he rates it a very good bike.
Build note23:43He advises against 30 mm or DUB-axle cranks in the BB86 shell because the small bearings and thin surrounding structure take more load.
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.
Winspace · Manufacturer product pageIdentity: High · Specification: High · Price: Medium · accessed 2026-09-01
Current exact SLC3.0 page supports US$1,450, a 699 g unpainted size-M frame claim, five sizes, and manufacturer language that stiffness was significantly improved in key areas. Mainland China CNY checkout and a public stiffness protocol remain unresolved.
China Foreign Exchange Trade System / People's Bank of China · Official exchange rateIdentity: High · Price: High · accessed 2026-08-17
Official central parity announcement states US$1 = CNY 6.7894 on 2026-07-31. Used only for clearly labelled approximate reference conversions, not as a checkout exchange rate or China-market price observation.
Xiaohongshu · Community reportIdentity: Medium · Specification: Low · Price: Low · accessed 2026-08-10
A public first-person post names the SLC3 and says total mileage exceeded 200 km. Its ride and finish impressions are one community report; exact generation, configuration, price, and warranty remain unverified.
Xiaohongshu · Community reportIdentity: Medium · Specification: Low · Price: Low · accessed 2026-08-10
The visible public title and hashtags identify a Winspace SLC3 review. The captured body contained no substantive review text, so this remains a discovery lead rather than corroborated ownership evidence.
The current manufacturer collection FAQ says SLC3.0 is optimized for 28 mm and generally supports measured-width tires up to 32 mm depending on rim internal width. The qualification is retained verbatim.
Winspace · Manufacturer product pageIdentity: High · Specification: High · Price: Medium · accessed 2026-09-23
Current exact page lists a 699 g unpainted size-M frame and says stiffness improved significantly in key areas, with no measurement protocol. It lists a global price; mainland China CNY checkout remains unobserved.
Winspace · Manufacturer collection faqIdentity: High · Specification: High · Price: Low · accessed 2026-09-23
FAQ names SLC3.0 as optimized for 28 mm and generally supporting up to 32 mm measured tire width depending on rim internal width. It also makes qualitative high bottom-bracket stiffness statements for the T1550/T1600 series.
