Purple Kinesis 4S frame
Blue front image of the Kinesis Racelight 4S frameset
Blue Kinesis 4S bike
Kinesis 4S frame
Purple Kinesis Racelight 4S frame
Blue Kinesis 4S frame bottom bracket
Blue Kinesis 4S frame rear dropout
Purple Kinesis Racelight 4S frame
Blue Kinesis 4S frame head tube
Grey Kinesis 4S frame
Kinesis 4S bike
Blue Kinesis 4S bike chainset
Grey Kinesis 4S bike detail
Blue Kinesis 4S bike head tube
Kinesis 4S frame parts
Kinesis Racelight 4S
Kinesis 4S frame
Kinesis 4S
Kinesis 4S bike frame
Purple Kinesis 4S

4S Road Frameset

The fast paced, versatile Kinesis 4S is ready every season.

Shimano Flat Mount Disc and Rim brake ready.

*Available Frameset Only.


Tuned Kinesium Tubing delivering unrivalled comfort.

Shimano Flat Mount Disc and Rim brake ready.

Full internal cable routing and Di2 compatibility.

Integrated Mudguard and Rack mounts.

The Kinesis 4S frameset includes fork, headset, seat clamp and flat mount to post mount adaptors to 160mm rotors



• The Kinesis Racelight 4S frameset includes fork, headset, seatclamp and post mount adapter (does not include rubber grommets) [160mm]

• Fork: ‘TRACER DISC 1.5′ Full carbon fork with Shimano 'Flat Mount' and mudguard eyelets. 480g (painted).

• Compatible with disc brakes or long drop caliper brakes [47-57mm drop]

• Smooth welded Kinesium tubeset is optimised for stiffness in the front triangle with compliance for comfort in the rear triangle

• Tapered headtube with integrated FSA type headset

• Colour matched full carbon fork with flat mount, eyelets and long drop brake caliper mount

• Internal cable routing via adaptable cable ports and special BB shell, Di2 compatible

• 130mm and 135mm rear QR hub compatible – removable bolt in dropout spacers included

• The Kinesis 4S will fit up to a 30mm tyre with full guards

• Threaded BSA BB 68mm

• 31.8mm front mech / seat clamp , 27.2mm seat post

• 22mm long flat mount disc brake bolts required for the frame.

•Sizes: 48cm- 51cm – 54cm-55cm - 57cm – 60cm – 63cm

Metallic Steel Silver or Metallic Cyan

NOTE: It is best recommended that you run a 140mm rear rotor with the Kinesis Racelight 4S.

4S Disc

Frame Size Seat Tube C/T 45.5cm 48cm 51cm 54cm 55.5cm 57cm 60cm 63cm
Seat Tube C/C 413 430 460 490 505 520 550 580
Virtual Top Tube 510 525 544 556 562 568 582 592
Actual Top Tube 493 508 532 543 550 556 571 584
Head Tube 100 115 125 150 160 175 200 215
Chainstay 420 420 420 420 420 420 420 420
Wheel Base 978 986 1000 1003 1009 1011 1025 1034
BB Drop 70 70 65 65 65 65 65 65
Seat Angle 73.3 73 74 73.5 73.5 73.5 73.5 73.5
Head Angle 69.3 71 72.5 73.5 73 73.5 73.5 73.5
Reach 358.9 368.4 391.5 391.2 394.4 396.1 402.7 408
Stack 502 523.1 531.2 558.6 566.3 582.4 606.4 620.8
Stand Over 698 704 740 768 777 797 825 854
Frame Only Weight (KG) 1.25 1.31 1.45 1.49 1.5 1.52 1.6 1.72
Height Guide (cm) 142-152 150-160 158-168 166-176 170-180 174-184 182-192 190-200


The Kinesis 4S frameset has a positive ride feel that’s lively but with great solidity, making it a strong contender for anyone in need of a Swiss Army knife of a training bike that doesn’t lack performance.

Cycling Weekly

For a bike to be ridden through the vagaries of British weather, the 4S Disc frame and its build kit make a lot of sense. There’s enough clearance to use wider tyres and still fit mudguards.

Article Here

Bikes Etc

The aim of the 4S is to provide a bike that will be worthy of use throughout the four seasons and it has undeniably succeeded.
The frame feels responsive, agile, punchy, when it needs to be, but these qualities are offset with equal amounts of comfort - enhancing characteristics and that is a difficult marriage to make.
A winter bike must be comfortable and hard wearing, but it mustn't let you forget you're a road cyclist, and the Kinesis 4S treads this line admirably.

London Cyclist

it’s fair to say it not only looks the part with its sleek finish and super neat cable routing, it’s also really responsive, quick off the mark (great for interval training) and stable at speed.

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