SEKA SPEAR STANDARD FRAMESET
SEKA SPEAR STANDARD FRAMESET
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SEKA SPEAR ROAD DISC FRAMESET
The Ultimate All-Rounder // Wind-Tunnel Optimized Speed
An All-Rounded Bike That Is Even Faster Than An Aero Bike
Developed in tandem with the UK-based AeroCoach team and refined through 280k wind tunnel test data points, you simply cannot find a more aerodynamic all-rounded bike. The SEKA Spear balances signature weight savings with an aggressive aerodynamic advantage, meaning zero compromises whether you are pushing the pace on flat sectors or tackling steep mountain climbs.
Revolutionary Wind Eye Design
The distinctive Wind Eye design on the seat stay optimizes trailing airflow and cleans up the heavy turbulence spinning off the rear side of the bike. This structural breakthrough saves a verified 2.66 Watts at 40 kph compared to standard configurations without the Wind Eye profile. Beyond cutting clean through head-winds, the physical architecture acts as a micro-damper to effectively relieve and reduce road vibrations—delivering an impressive 23% increase in vertical compliance over the SEKA Exceed frameset for sustained endurance comfort.
Wind Tunnel Validation: The Spear was explicitly benchmarked side-by-side with the Tarmac SL8 inside Silverstone's wind tunnel using a controlled build consisting of a Dura-Ace Di2 groupset, Zipp 404 wheelset, and 28c Pirelli tubeless tires.
Impressive Weight & Materials Architecture
Tipping the scales at a mere 685g for the raw RDC frameset, this lightweight profile is built through 37 improved versions from a calculated matrix of 6 different composite materials layered across 350 carbon layers. Utilizing premium TeXtreme and high-modulus Asphalt base carbon fiber combined with self-researched carbon weaving techniques, SEKA breaks through traditional manufacturing limits to deliver an incredibly high performance ceiling.
All-New Rapier Integrated Handlebar
Tailor-made explicitly for the Spear frameset, the Rapier integrated cockpit marks a 5.2% increase in steering stiffness while managing to shed 20g over the Exceed Integrated Handlebar. The standard 375mm-100mm racing format registers a minimal featherweight footprint of just 310g.
- Narrow Hood Profile: A subtle 5mm decrease in width reduces overall wind resistance and provides a more relaxed, narrow riding experience.
- Precision Specs: Features a 19-specification matrix incorporating a -6 Degree Stem layout, compact 76mm Reach, and ergonomic 127mm Drop.
- Internal Integration: An improved internal routing design allows for effortless, clean mechanics and a completely hidden cockpit profile.
- Flared Racing Drops: Flared drops add high-leverage control and maximum stability during full-gas out-of-the-saddle sprints.
Technical Specifications
| Bottom Bracket | BSA Threaded 68mm |
| Headset Bearings | 49.5 x 40.5 x 6.5 x 45.0 ｜ 45° |
| Max Tire Width | Up to 32mm width |
| Frame Weights (Raw) |
• RDC Version: Ultra-lightweight 685g • STD Version: High-performance 780g |
| Steerer Diameter | 28.6mm (1-1/8 inches) |
| Seatpost Matrix | Available options: 300-0, 300-15, 380-0, 380-15mm |
| Saddle Clamp Fit | 7 x 11mm rails |
| Warranty System | Limited lifetime warranty coverage |
Product Architecture Highlights
- Aerodynamic Efficiency Breakthrough: Slashes a full 6 Less Watts off your power drag footprint compared to the preceding SEKA Exceed chassis profiles.
- 7 Dual-Matrix Geometry Profiles: Spans across a thoughtful variety of configurations ranging from relaxed to aggressive racing options, split between 5 regular geometries (XS, S, M, L, XL) and 2 specific racing geometries (MR, LR).
- Unparalleled Bike Fitting Flexibility: Offering 19 independent integrated cockpit specifications alongside 2 distinct seatpost setbacks, the modular ecosystem gives most riders 2 to 3 tailored structural fits to suit different riding styles effortlessly.
