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SEKA's ExAero GR race gravel frameset has proper tyre clearances, redesigned Wind Eye compliance for exceptional tracking, T1100G carbon for toughness on mixed terrain and integrated storage that eliminates drag. Built to race, not just ride.
SEKA's ExAero GR race gravel frameset has proper tyre clearances, redesigned Wind Eye compliance for exceptional tracking, T1100G carbon for toughness on mixed terrain and integrated storage that eliminates drag. Built to race, not just ride.
Seka

2027 SEKA ExAero GR RDC : Frameset in Mariana Blue

£2,799.99
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If you are not completely satisfied with your purchase, simply return the item or items to us in their original condition* within 30 days of receipt. You must notify us in writing within 14 working days of placing your order, by post or email of your intention to do this.

RETURN ADDRESS:

Returns Department
7hundred Ltd
68 Peascod Street
Windsor
SL4 1DE

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All returns must be accompanied by a completed returns form and a copy of the original invoice.



You can submit a returns form here:

Returns Form

2027 SEKA ExAero GR RDC : Frameset in Mariana Blue

Season:2027

Brand:Seka

Code:SE-EXAEROGR-MB

Available in the performance tier RDC build, the ExAero GR is SEKA's gravel race frameset — built on the same engineering rigour as the Spear road platform and designed specifically for what gravel racing actually demands: genuine aerodynamic efficiency, structural resilience on unpredictable terrain, tyre clearance for race-condition courses, and the ability to carry what you need without drag penalty for doing it.

The aerodynamic argument

Wind tunnel testing at the Silverstone Sports Engineering Hub placed the ExAero GR at a CdA of 0.3938m² in full race configuration with 45mm tyres — only 9.9W behind the Spear road bike, and the majority of that gap is the wider tyres and wheels rather than the frame itself. That's a remarkable figure for a gravel bike carrying real tyre clearance. In practice, the complete-system aerodynamics are even more compelling: SEKA's integrated down-tube storage eliminates an external saddlebag that would add around 2.5W drag to any comparable bike, and the ExAero Mag aero bottle system saves a further 4.6W at race speeds versus standard round bottles. The aerodynamic advantage compounds across a long stage.

Wind Eye — redesigned for gravel

The Wind Eye seatstay junction on the ExAero GR is not carried over from the road platform; it is redesigned for it. Wider tyre clearance and dual chainring compatibility forced the chainstay to narrow to 11mm at its thinnest point — which in a conventional design would compromise rear lateral stiffness. SEKA resolved this by iterating the thickness of the Wind Eye's connecting plates until lateral stiffness met the test target: 25.63 N/mm, fractionally ahead of the Spear road frame. Vertical compliance sits at 106 N/mm. The aerodynamic cost of the structural modifications to the gravel Wind Eye is less than 1W across the full tested yaw range. On rough gravel, the compliance is what you actually feel: the rear end absorbs rather than transmits energy, which matters hour after hour on a mixed surface race day.

Carbon — different fibres, different reason

Where the Spear uses pitch-based ultra-high-modulus fibres optimised for the predictable loads of road racing, the ExAero GR uses TORAYCA T1100G and TORAYCA M46J — both PAN-based fibres, chosen specifically for their superior tensile strength and fracture toughness compared to pitch-based alternatives. Gravel imposes variable, high-energy impact loads that road carbon doesn't need to handle. T1100G and M46J distribute and absorb that energy more effectively; the choice reflects the actual loading environment rather than the highest possible modulus number. The front triangle is built by True-One-Piece Moulding, as on the Spear. Frame weight for size 56 is approximately 920g.

Agile by design

Geometry across six sizes (49–61cm) runs a trail of 71–60mm — the tighter end of gravel geometry — producing steering that is genuinely responsive rather than slow to initiate. This is a race-oriented geometry: slightly more committed position than a do-everything gravel bike, calibrated to work well at speed on mixed terrain. The Gladius GR integrated handlebar is included, with 16° drop flare for control on rough descents, 15 size combinations, and a micro-textured grip surface on the tops. Compatible with the Rapier computer mount used across the SEKA range.

Down-tube integrated storage uses a Fidlock magnetic latch and replaces a 1-litre external bag entirely. Four additional modular mounts cover top tube, down-tube/BB junction, and rear seatpost for nutrition and tools across any race format.

Full geometry chart and technicals in the ExAero GR Collection.


What's in the Box

  • Frame
  • Fork
  • Seatpost
  • Full carbon Gladius GR handlebar - Choice of 15 different bar widths and stem lengths
  • Outfront Computer mount with inserts for Garmin, wahoo, Giant and Bryton
  • 980g in weight
  • Internal storage bag and integrated cover
  • Headset and top cap
  • Thru-Axles
  • €3,229.88
    EUR
  • $4,392.54
    AUD
  • $4,355.98
    CAD
  • $5,365.36
    NZD
  • $3,080.97
    USD
  • CHF2,484.56
    CHF
  • kr35,472.75
    SEK
  • kr388,141.29
    ISK
  • kr24,139.97
    DKK
  • kr30,019.83
    NOK
  • ¥496,871.16
    JPY
  • Technical Information
    SpecificationDetail
    Frame Weight~920g (size 56, painted)
    Bottom BracketT47 threaded
    Front Tyre Clearance56mm maximum
    Rear Tyre Clearance52mm maximum
    Wheel Size700c
    Fork Axle-to-Crown423mm
    Fork Offset50mm
    BB Height401mm (constant across sizes)
    Seatpost Offset Options0mm or 15mm setback
    Down-Tube StorageIntegrated compartment, Fidlock magnetic latch
    Modular MountsTop tube / Down tube-BB / Rear seatpost
    Sizes49 / 52 / 54 / 56 / 58 / 61
    Sizing Information

    SEKA ExAero GR — Geometry

    6 frame sizes. Geometry calibrated for agile handling and confident stability on rough terrain. Trail 71–60mm across the range.

    SEKA ExAero GR geometry diagram with stack, reach, wheelbase and angle reference lines
    Measurement495254565861
    Rider Height Guide (cm & ft)150–162
    4'11"–5'4"
    160–172
    5'3"–5'8"
    170–180
    5'7"–5'11"
    178–188
    5'10"–6'2"
    186–196
    6'1"–6'5"
    194–207
    6'4"–6'9"
    Stack (mm)524540559579602620
    Reach (mm)369375381389399408
    Seat tube C–T (mm)509526541555578598
    Head tube length (mm)96.4111132152176.5195
    Head tube angle (°)70.471.071.371.672.072.2
    Seat tube angle (°)75.074.374.074.073.573.0
    Wheelbase (mm)99910051016102710421055
    Chainstay (mm)460490510535555580
    Front center (mm)587593603615628641
    Fork offset (mm)505050505050
    BB drop (mm)747472727072
    BB height (mm)401401401401401401
    Trail (mm)716765.563.56160
    Fork axle-to-crown (mm)423423423423423423
    Standover height (mm)747771792815837858

    Sizes 49–61 (cm). 6 frame sizes.
    Fork offset and BB height constant across all sizes.

    All measurements in mm unless otherwise noted.
    Trail values shown for 40mm tyre width — actual trail varies with tyre width and pressure.
    BB Height = 401mm (constant). Fork A–C = 423mm (constant). Fork offset = 50mm (constant).

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