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Cube Reaction Hybrid tyres

The Cube Reaction Hybrid runs 65-584 and 65-622 in ETRTO sizing, the width in millimetres followed by the rim bead seat diameter. The Cube Stereo Hybrid ONE44 takes the same size.

Every fitment

GenerationTrimWheelTyre sizeInch size
CurrentReaction Hybrid Pro 800 / Race 800, sizes M-XXL (Schwalbe Smart Sam Active)29in65-62229x2.60
CurrentReaction Hybrid Pro 800 / Race 800, size S (Schwalbe Smart Sam Active)27.5in65-58427.5x2.60

Your own placard is the authority. You will find it on the printed on the tyre sidewall, next to the pressure range. Where it disagrees with this page, it wins. Match or exceed the size, load index, speed rating and construction class it gives, and use its pressure figure rather than anything printed on the tyre.

The fitment, part by part65-62229x2.60Width, mmRim bead seat diameter, mmSame size, inch system

What changes on this bike

Cube's Size Split puts the small frame on 27.5in wheels and every larger size on 29in, so the Smart Sam 2.6 comes in two bead diameters on what is sold as one model.

The hardtail frame takes a 67 mm tyre at most by Cube's own geometry table, which leaves only a couple of millimetres over the stock 2.6in Smart Sam.

Cube specifies the Smart Sam in Schwalbe's Active line; Schwalbe's listing for the 29x2.60 Smart Sam carries an E-25 rating, which covers a 25 km/h hardtail but not a speed pedelec.

No tyres listed against this fitment yet. Product specifications are published from each manufacturer's own data and that work is not finished for 65-622. Match or exceed every figure in the table above and you cannot go far wrong.

Where these figures come from

  • Cube UK spec page, Reaction Hybrid Pro 800 polarlight'n'black (tyres: Schwalbe Smart Sam, Active, 2.6; Size Split 27.5: S // 29: M, L, XL, XXL): https://www.cube.eu/cube-reaction-hybrid-pro-800-polarlight-n-black/1107210 checked 5 October 2026
  • Cube spec page, Reaction Hybrid Race 800 slabgrey'n'chrome (tyres: Schwalbe Smart Sam, Active, 2.6): https://www.cube.eu/cube-reaction-hybrid-race-800-slabgrey-n-chrome/1107300 checked 5 October 2026
  • Cube DE spec page, Reaction Hybrid Pro 800 lilacbreeze (Reifen: Schwalbe Smart Sam, Active, 2.6; Breite Reifen maximal 67): https://www.cube.eu/de-de/cube-reaction-hybrid-pro-800-lilacbreeze-n-prizm/1107222 checked 5 October 2026
  • Schwalbe Smart Sam 29 in, ETRTO 65-622, E-25 (size list includes 65-584): https://www.schwalbetires.com/Smart-Sam-11159494 checked 5 October 2026

Including the manufacturer's own published figure. Neither source is standing next to your vehicle, which is why the placard still wins.

Other bikes on the same size

Common questions

What size tyres does the Cube Reaction Hybrid take?
It runs 65-584 and 65-622. The exact fitment for your bike is on Printed on the tyre sidewall, next to the pressure range.
Can I fit a cheaper tyre to a Cube Reaction Hybrid?
Only at 65-622 or better. That is the figure to hold: a tyre below the load index, the speed rating or the construction class is not a cheaper one, it is the wrong one.