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Kask K31 Crono Helmet

Out of Stock

Item # KSK0008

Don't worry though, we have a lot more Time Trial Helmets in stock than that.

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Item # KSK0008

Description

Kask gives you the aerodynamic edge with the K31 Crono Helmet. With a host of intuitive features that work to keep you comfortable and eliminate drag, the Crono is your ticket to a new level of on-the-bike speed.

  • Horizontal and vertical adjustments for a custom fit
  • Reflective straps and rear logo for safety
  • Easy-to clean, non-allergic synthetic leather chin strap reduces irritation and odor
  • Dual-layer CoolMax liner wicks sweat away
  • Built-in eye shields for better aerodynamics
  • Internal frame keeps helmet together during impact


Tech Specs

Claimed Weight:
280 g
Material:
[shell] polycarbonate, [inner shell] polystyrene, [chin strap] non-allergenic synthetic leather, [straps] nylon, [lining] CoolMax
Recommended Use:
time trials
Manufacturer Warranty:
30 days

Size chart

Fuji Bicycles

 

Geometry Chart

 

Altamira LTD
 

Seat Tube

(c-t)

Effective Top Tube

(eTT)

Stack

(S)

Reach

(R)

Standover

(SO)

Head Tube

(HT)

Head Tube Angle

(HTo)

Seat Tube Angle

(STo)

Bottom Bracket Drop

(BBD)

Chainstay Length

(CS)

Wheelbase

44 44.0cm 51.5cm

51.7cm

36.3cm 72.1cm

12.0cm

72.0 deg 75.0 deg 6.9cm 40.5cm 97.1cm
47 47.0cm 53.0cm

52.8cm

37.0cm 74.1cm 13.0cm 72.5 deg 74.5 deg 6.9cm 40.5cm 97.7cm
50 50.0cm 54.5cm 54.0cm 37.0cm 76.0cm 14.0cm 73.0 deg 73.5 deg 6.9cm 40.5cm 97.6cm
53 53.0cm 56.0cm 56.0cm 37.9cm 78.3cm 16.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 98.6cm
55 55.0cm 57.5cm 58.0cm 38.9cm 80.1cm 18.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 100.1cm
58 58.0cm 59.0cm 60.1cm 39.7cm 82.1cm 20.0cm 74.0 deg 73.5 deg 6.9cm 40.5cm

101.0cm

Reviews & Community

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Here's what others have to say...

What does it mean by "built in eye...

What does it mean by "built in eye shields"?

Hi,

The eye shield tucks away under the outer shell of the helmet. Thanks

Does this come with the visor?

Does this come with the visor?



Best Answer

Visor is extra and runs about $65 but it doesn't look like we have any in stock at the moment.

55

black k-31 kask helmet

    This is a great fitting helmet with lots of ventalation. the one size fits all really works and the behind the head adjustment works very well. i ride for 3 -4 hrs in summer heat & still as cool as.many regular helmets... the flip up visor is a plus and allows the wind screen to be half open or in any position ... i would recomend the helmet and use it for everyday rides ... have used giro advantage 2 ...