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Kinesis - Frame - Racelight - 4S - Discontinued

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Colour: Black
Practicality and Comfort without compromising on performance.
The Kinesis 4S is a bike you’ll want to ride whatever the weather.


Using our own, smooth welded ‘Kinesium’ tubeset and with clearance for full ‘guards, 28′s and long-drop brakes.

‘TRACER 1.5′ FORK: This fork, combined with the new taper head tube, transforms the handling and braking.

Rack mounts and ample clearance for full size ‘guards and up to 28c tyres [long reach, 47/57mm brakes required].

FSA No.42/ACB headset included with frame.

Both bearings are ‘ACB’, meaning ‘Angular Contact Bearings’. The head-tube seat angle is 45º.

The headset drops into a tapered seat in the head tube and is tensioned using a headset tensioner within the fork steerer. Tensioning the headset centres it on the taper and prevents any play. The larger lower bearing allows a tapered steerer and larger crown. This gives sharper response and helps reduce flex under braking.

FORK RECOMMENDATION: ‘TRACER 1.5′ Full monocoque, Unidirectional [UD] carbon fork with mudguard eyelets, clearance for full size mudguards and 28c tyres. Included.

KINESIUM: Developed by Kinesis International, Kinesium is a superb tubing for use in lightweight, high performance frames. Kinesium is enhanced 6000 series Aluminium alloy, which is 25% stronger than 6061 at the same weight level.

POWER BULGE: ‘Power Bulged’ top tubes and seat tubes give maximum area at the head tube and BB for ultimate stiffness and response.

ULTRA SMOOTH WELD PROFILE: This frame is joined using Kinesis developed smooth weld technology, giving tough, stress-free welds and clean appearance. The welding technique performed without secondary finishing or sanding, so weld bead and tube are left at full strength.

TUNED STAYS: The ‘Anti Roadshock’, ‘hourglass’ bend, seat stays are butted and shaped to give maximum comfort for long hours in the saddle.


  • Seat Post: 27.2mm
  • Seat Clamp: 31.8mm
  • Front Mech: 31.8mm
  • BB: 68mm - British
  • Headset: Integrated, 41.8ø upper, 51.8ø lower, for taper head tube
  • Black and Blue or Silver and Orange.
  • Sizes: 48cm- 51cm – 54cm - 57cm – 60cm – 63cm
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