Components
Components

FRAMESET

  • Frame: IKUISTA Spektri C° Carbon Monocoque
  • Frame Sizes: S, M, L, XL, XXL
  • Geometry: Endurance / All-road
  • Colors: Oxide Red / Stone Taupe
  • Fork: IKUISTA Spektri C° Carbon, Flat Mount, Internal Routing, 12×100 mm Thru-Axle
  • Seatpost: IKUISTA Spektri C° Aero Carbon Seatpost, 0 mm Offset
  • Chain Guide: IKUISTA Chain Guide (1x Drivetrain)
  • Derailleur Hanger: UDH (Universal Derailleur Hanger)
  • Max Tire Clearance: 45 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 60 mm (Included, Not Installed)
  • Inner Tubes: Included (Pre-Installed)

DRIVETRAIN

  • Groupset: Shimano GRX Di2 Electronic
  • Configuration: 1×12-Speed
  • Shifters: Shimano GRX Di2 ST-RX825
  • Rear Derailleur: Shimano GRX Di2 RD-RX827 (12-Speed)
  • Crankset: Shimano GRX FC-RX810 (1x)
  • Crank Length: 170 mm (S–L), 175 mm (XL–XXL)
  • 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

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. 8.29 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

MeasurementSMLXLXXL
A — Seat tube length470 mm495 mm520 mm545 mm570 mm
B — Seat tube angle74°73.5°73.5°73.5°73.5°
C — Head tube length110 mm125 mm145 mm165 mm185 mm
D — Head tube angle70.5°71°71.5°71.5°71.5°
E — Top tube length521 mm539 mm553 mm568 mm583 mm
G — B.B. drop78 mm78 mm78 mm78 mm78 mm
H — Chainstay length435 mm435 mm435 mm435 mm435 mm
I — Fork offset50 mm50 mm50 mm50 mm50 mm
J — Wheelbase1011 mm1020 mm1030 mm1046 mm1061 mm
K — Reach365 mm373 mm381 mm390 mm399 mm
L — Stack542 mm558 mm579 mm598 mm617 mm
Inseam75–80 cm78–85 cm82–88 cm86–92 cm89–95 cm
Rider height163–173 cm170–180 cm178–187 cm185–195 cm190–200 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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Spektri C° Shimano GRX Di2 is a high-performance all-road bike designed for riders who want speed on gravel and comfort on long rides. It balances endurance comfort with higher efficiency and performance.

The carbon Spektri C° frame is paired with an integrated cockpit and carbon wheelset to improve stiffness and efficiency. Shimano GRX Di2 delivers precise electronic shifting, while the 1x drivetrain keeps the system simple and reliable.

Built with a Spektri C° carbon frameset, Shimano GRX Di2 1x12 drivetrain, Valois HBRD 45 carbon wheelset, Continental Terra Speed 45 mm tires, and Valois C∞ integrated cockpit. A faster and more refined setup for demanding all-road riding.

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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