Head Bike I-Speed 2.5

Head Bike
GPSR
Size table

THE CHOICE OF THE FRAME

Measurement method:

  1. Stand barefoot next to the wall.
  2. Measure the distance between the ground and the crotch.
  3. Multiply the result: - by 0.57 for a mountain bike - by 0.63 for a trekking bike - by 0.66 for a road bike.
  4. This should be divided by 2.54 if you want to get the value in inches. This value represents the size of the frame you should be using.

These calculations are very general, considering the number of possible biking styles that humanity has invented.

General recommendation due to body height:

Body height

The length of the inside of the leg in centimeters

Frame Size
MTB/CROSS

Frame Size 
CITY/TREKKING/Cruiser

152 cm

71 cm

14” (36cm)

16”  (41 cm)

157 cm

72 cm

15” (38 cm)

17”  (43 cm)

162 cm

74 cm

16” (41 cm)

18”  (46 cm)

167 cm

75 cm

16” (41 cm)

18”  (46 cm)

172 cm

76 cm

17” (43 cm)

19”  (48 cm)

175 cm

77 cm

17" (43 cm)

19”  (48 cm)

177 cm

79 cm

18" (46 cm)

20”  (51 cm)

182 cm

82 cm

18" (46 cm)

20”  (51 cm)

187 cm

86 cm

19" (48 cm)

21”  (53 cm)

192 cm

89 cm

20" (51 cm)

22”  (56 cm)

197 cm

92 cm

21" (53 cm)

22”  (58 cm)  

DO NOT MISS - IMPORTANT SAFETY INSTRUCTIONS FOR BATTERIES AND INFORMATION FOR BIKES AND E-BIKES PURCHASING AND MAINTENANCE
Color
Frame size
Compare Season:2025 summer Add to cart

HEAD I-Speed 2.5

Road bike with carbon frame and fork, 2x12 speed Shimano derailleur and disc brakes.

Technical description

  • Frame
    Carbon
  • Fork
    Carbon
  • Front derailleur (front Shifter)
    Shimano FDR7100 2×12 speed
  • Rear derailleur (rear shifter)
    Shimano RDR7100 2×12 speed
  • Gear change
    Shimano R7120 2×12 speed
  • front brake
    Shimano R7120 140mm
  • Rear brake
    Shimano R7120 140mm
  • Crank
    Shimano FCRS520
  • Headset
    Integrated
  • Chain
    Shimano CNM7100
  • Handlebars
    Carbon combo
  • Stem
    Carbon combo
  • Seatpost
    Carbon combo
  • Saddle
    VL-1C47, Cr-moly rail
  • Front hub
    Fulcrum RACING 800DB
  • Rear hub
    Fulcrum RACING 800DB
  • Rims
    Fulcrum RACING 800DB
  • Tires
    Schwalbe ONE 700x25C

Other

  • Product code
    N24002626

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