Evidence reviewed through . Price records retain their own observation dates and conditions.View sourcesMethodology and dataset
轻鲨 QingSha QS91-20 blue / blue-carbon-wheel
- Category
- Folding
- Profile status
- Research profile
- Drivetrain
- 7-speed external drivetrain; component maker, model and gearing range are not published.
- Frame
- Carbon-fiber frame and fork
- Frame material
- QS91 supplier evidence identifies a carbon-fiber frame and carbon-fiber fork; fiber grade and lay-up are not published.
- Wheels
- Selected listing option: 20-inch blue carbon wheels
¥3,599 complete-bike lead under review
轻鲨 QingSha QS91-20 blue / blue-carbon-wheel. The retained blue bike with blue carbon wheels matches the current QS91-20 option matrix. The exact component brands, weight and fold measurements remain unpublished.
The recorded complete-bike price is ¥3,599; its date and basis remain visible below.
Specifications and evidence
- Product type
- Complete bike
- Category
- Folding
- Evidence maturity
- Research profile
- Price basis
- Observed · 2026-08-08
- Drivetrain
- 7-speed external drivetrain; component maker, model and gearing range are not published.
- Frame
- Carbon-fiber frame and fork
- Frame material
- QS91 supplier evidence identifies a carbon-fiber frame and carbon-fiber fork; fiber grade and lay-up are not published.
- Wheels
- Selected listing option: 20-inch blue carbon wheels
Current JD indexing names QS91-20 and separately lists the blue-frame / blue-carbon-wheel option visible in the retained card. Supplier indexing describes the exact QS91 as a 20-inch carbon-frame and carbon-fork folding bike with 7-speed shifting. 江西轻鲨科技有限公司 is corroborated as a carbon-bicycle exhibitor; no complete weight, controlled clearance or stiffness result is transferred.
Buying context
Before buying, verify Complete-bike weight, folded dimensions, hinge hardware, and exact component identities; Maximum tire clearance and meaningful stiffness evidence; Authenticity, final checkout price, and purchase terms.
About 轻鲨 QingSha
Price record and sources
These sources support this model page; individual claims retain the confidence of their cited source.
The current public index names 轻鲨科技 QS91 as a 20-inch carbon-fiber folding leisure bike. Its option matrix separately lists QS91-20 blue and QS91-20 blue with blue carbon wheels, matching the retained card. The index is used for model, wheel-size and selected-option identity only; it does not publish a controlled complete weight, folded dimensions, maximum clearance or stiffness result.
The current supplier index identifies the Light Shark QS91 as a 20-inch carbon-fiber folding bike with carbon-fiber fork, disc brakes and 7-speed shifting. It also associates Light Shark bicycle supply with Jiangxi Light Shark Technology Co., Ltd. Supplier prices and unrelated Light Shark models are not transferred, and no exact component maker, complete weight, clearance maximum or stiffness measurement is stated.
The public exhibitor directory lists 江西轻鲨科技有限公司 and describes its business as carbon-fiber bicycles. This supports the Chinese company attribution only; it does not establish QS91 specifications, purchase source authority, price, warranty or product availability.