Components
Components

FRAMESET

  • Frame: IKUISTA Halo Cˣ Carbon Monocoque
  • Frame Sizes: S, M, L, XL, XXL
  • Geometry: Gravel Race
  • Colors: Obsidian / Abyss Cyan
  • Fork: IKUISTA Halo Cˣ Carbon, Flat Mount, Internal Routing, 12×100 mm Thru-Axle
  • Seatpost: IKUISTA Halo Cˣ Aero Carbon Seatpost, 27.2 mm, 0 mm Offset
  • Chain Guide: IKUISTA Chain Guide (On 1x Drivetrain Options)
  • Derailleur Hanger: UDH (Universal Derailleur Hanger)
  • Max Tire Clearance: 52 mm
  • ASTM Classification: Category 2

WHEELS

  • Wheelset: Valois HBRD 45 Carbon Wheelset, 700C, 45 mm Rim Depth, 26 mm Internal Width, 31.5 mm External Width, Ratchet Hub System (36T Engagement), CenterLock Disc, Pillar Aero 1423 Straight Pull Spokes, Approx. 1507 g Wheelset Weight, Max System Weight 130 kg
  • Tires: Continental Terra Speed ProTection Folding
  • Tire Size: 700×45C (45-622)
  • Tubeless Ready: Yes (Tubeless Rim Tape Installed)
  • Tubeless Valves: IKUISTA 80 mm (Included, Not Installed)
  • Inner Tubes: Included (Pre-Installed)

DRIVETRAIN

  • Groupset: Shimano GRX Di2 Electronic
  • Configuration: 1×12-Speed
  • Shifters: Shimano GRX Di2 BL-RX825
  • Rear Derailleur: Shimano GRX Di2 RD-RX827 (12-Speed)
  • Crankset: Shimano GRX FC-RX810 (1x)
  • Chainring: 40T
  • Cassette: Shimano Deore CS-M6100, 10–51T
  • Chain: Shimano CN-M8100
  • Bottom Bracket: Token T47 Outboard (Shimano Compatible)

BRAKES

  • Brake System: Shimano GRX Hydraulic Disc
  • Brake Calipers: Shimano BR-RX820 Hydraulic Disc
  • Rotors: Shimano RT-CL800 CenterLock Ice Technologies Freeza, 160 mm Front / 160 mm Rear

COCKPIT

  • Cockpit: Valois C∞ HBRD Integrated Carbon Cockpit
  • Saddle: IKUISTA Vael 145 mm
  • Handlebar Tape: IKUISTA Performance Tape, 2.5 mm
  • Chainstay Protection: IKUISTA Chainstay Protector

ELECTRONICS

  • Battery: Shimano BT-DN320 Internal Battery
  • Charger: Shimano EC-DN100

ACCESSORIES

  • Bike Bell
  • Reflector Set
  • IKUISTA Bicycle Bag
  • Product Manual

WEIGHT

  • Claimed Weight: Approx. 7.8 kg (Size M, Inner Tubes Installed, No Pedals)

WEIGHT LIMIT

  • Maximum System Weight: 120 kg (Bike + Rider + Cargo)

PRODUCT DISCLAIMER

  • Specifications, geometry, colors, graphics, components, weights, and pricing may change without prior notice.
  • Product images may show optional equipment, prototype components, or specifications not included in the final production model.
  • Equivalent or higher-specification components may be substituted due to continuous product development, supplier updates, or component availability.
  • Claimed weights are based on pre-production samples and manufacturer measurements. Actual production weights may vary by frame size, paint finish, component tolerances, tire selection, wheel manufacturing tolerances, and production batch.
  • Tire clearance values are based on measured tire dimensions and may vary between tire manufacturers, rim widths, and wheel combinations.
  • Bicycle weights are stated without pedals unless otherwise specified.
  • Maximum system weight includes the bicycle, rider, clothing, accessories, luggage, hydration systems, and cargo.
  • MSRP pricing may vary by country, taxes, shipping costs, import duties, currency fluctuations, and dealer-installed options.
Geometry chart

Bike Geometry & Sizes

Geometry chart
MeasurementSMLXLXXL
A — Seat tube length450 mm480 mm510 mm540 mm570 mm
B — Seat tube angle75°74.5°74°73.5°73.5°
C — Head tube length109 mm123 mm142 mm161 mm187 mm
D — Head tube angle71°71.5°72°72.5°72.5°
E — Top tube length526 mm540 mm561 mm583 mm600 mm
G — B.B. drop78 mm78 mm78 mm78 mm78 mm
H — Chainstay length435 mm435 mm435 mm435 mm435 mm
I — Fork offset48 mm48 mm48 mm48 mm48 mm
J — Wheelbase1020 mm1025 mm1037 mm1048 mm1066 mm
K — Reach380 mm385 mm395 mm405 mm415 mm
L — Stack545 mm560 mm580 mm600 mm625 mm
Inseam72–78 cm76–83 cm80–87 cm84–92 cm88–96 cm
Rider height162–170 cm168–178 cm176–186 cm184–194 cm190–202 cm
Components geometry

Component Geometry

MeasurementSMLXLXXL
Spacers (mm)30mm30mm30mm30mm30mm
Stem length (mm)80mm90mm100mm110mm110mm
Handlebar width (mm)400mm420mm420mm440mm440mm
Crank length (mm)170mm170mm170mm175mm175mm
Front chainring40T40T40T40T40T
Saddle post minimum insertion (mm)
Saddle post maximum extension (mm)
Product manuals

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Halo Cˣ Shimano GRX Di2 is a high-performance gravel race bike built for speed on mixed terrain. It is designed for fast gravel riding, racing, and long-distance efforts where efficiency and control are critical.

The Halo Cˣ carbon frame combines aggressive gravel geometry, wide tire clearance, and full internal routing for stability at speed and precise handling. Shimano GRX Di2 delivers reliable electronic shifting under load, while the integrated cockpit and carbon wheels improve aerodynamics and front-end stiffness.

Built with a Halo Cˣ carbon frameset, Shimano GRX Di2 1x12 drivetrain, Valois HBRD 45 carbon wheelset, Continental Terra Speed 45 mm tires, and Valois C∞ HBRD integrated cockpit. A race-ready gravel setup focused on speed, efficiency, and control.

Token T47 Outboard Bottom bracket Token
Variant
Variant: BB47R29 - Sram Road / DUB
Colour
Colour: Black
Colour
Colour: Black

Here you can find model specific accessory & spare parts

Spare parts

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