Evidence reviewed through . Price records retain their own observation dates and conditions.View sourcesMethodology and dataset
SEKA SPEAR RDC
- Category
- Aero road
- Profile status
- Research profile
- Drivetrain
- Shimano Ultegra electronic; exact series unconfirmed
- Complete weight
- 7.1 kg
- Frame
- SEKA SPEAR RDC MR frame; official bare-frame claim 685 g ±35 g
- Bottom bracket
- BSA threaded
7.1 kg complete bike with 32 mm tire clearance
SEKA SPEAR RDC. A premium domestic aero platform with a claimed 685 g bare frame, threaded BSA bottom bracket and a separately documented 7.1 kg custom build.
The recorded complete-bike price is ¥16,900; its date and basis remain visible below.
Specifications and evidence
- Product type
- Complete bike
- Category
- Aero road
- Evidence maturity
- Research profile
- Price basis
- Observed · 2026-08-17
- Drivetrain
- Shimano Ultegra electronic; exact series unconfirmed
- Complete weight
- 7.1 kg
- Frame
- SEKA SPEAR RDC MR frame; official bare-frame claim 685 g ±35 g
- Bottom bracket
- BSA threaded
- Wheels
- Voso Lite50 carbon
- Cockpit
- 375×120 mm integrated handlebar on the custom build; official frameset uses the Rapier integrated bar
- Sizes
- XS, S, M, MR, L, LR and XL; official stack 508–600 mm and reach 362–402 mm
- Warranty
- Official China policy: lifetime frameset, five years carbon parts, two years spare parts; dealer, WeChat and Taobao support routes
- Stiffness evidence
- Manufacturer white paper reports a 14.5% stiffness-to-weight improvement over Exceed RDC for the exact Spear RDC; comparative manufacturer result with limited public protocol detail
- Tire clearance
- 32 mm
- Tire clearance basis
- Official exact-model catalog maximum tire size
- Complete weight basis
- Exact size-MR custom owner build with Shimano Ultegra electronic shifting and Voso Lite50 wheels: approximately 7.1 kg before pedals, bottle cages and computer mount; not a factory complete-bike SKU
The exact Spear RDC white paper reports a 14.5% stiffness-to-weight improvement over Exceed RDC while retaining the existing 685 ±35 g bare-frame claim. It is a manufacturer comparison, not independent validation.
Buying context
Before buying, verify Proof that the reported price maps to the complete listed build; Current mainland exact-SKU checkout and stock; Independent frame-weight measurement.
About SEKA
Premium Chinese performance brand with sophisticated aero designs; public factory-ownership evidence is limited.
Visit the official SEKA websitePrice record and sources
These sources support this model page; individual claims retain the confidence of their cited source.
An exact-model owner report describes an MR frame, 375×120 mm integrated cockpit, Ultegra electronic shifting and Voso Lite50 wheels. It reports about 7.1 kg before pedals, cages and computer mount and a ¥16,900 list price; fit and ride observations are owner-specific.
Official exact-platform frameset page supporting the RDC frame weight, BSA bottom bracket, Rapier cockpit and package. It does not prove the components or complete price of the separately observed custom build.
Official Chinese geometry PDF for Spear XS/S/M/MR/L/LR/XL.
Official China lifetime/5-year/2-year coverage and dealer/WeChat/Taobao routes.
Global warranty policy.
Exact Spear development paper reports the RDC size-M frame is 90 g lighter than Exceed RDC and improves stiffness-to-weight by 14.5%; manufacturer protocol details remain limited.
Official catalog identifies the Spear RDC and publishes a 32C maximum tire size.