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Rugby Boot Studs

Stud Replacement

When replacing studs, it's essential to choose the correct thread size and stud length to ensure safety & grip. Stud lengths generally range from 11mm to 18 mm, with a maximum allowed length of 21mm according to World Rugby regulations  

Boots and Compatible Studs Threads: (Note: M5* indicates that the boot takes studs with an M5 thread but the M6 stud wrench works best for tightening these)

Brand Boot

Stud Configuration Metal,Molded

Stud Thread Type Front Stud Length Back Stud Length
adidas Adizero RS15 Elite SG 6S, 5 molded M6  8 mm 11 mm
adidas Adizero RS15 Pro SG 6S, 6 molded M6 11 mm 15 mm
adidas Adizero RS15 Ultimate SG 6S, 6 molded M6 11 mm 15 mm
adidas Kakari Elite SG 8S, 1 molded M5 15 mm 21 mm
adidas Kakari RS SG 8S, 1 molded M5 15 mm 21 mm
adidas Kakari SG  8S, 1 molded M5 15 mm 21 mm
adidas RS15 SG 6S, 5 molded M6  8 mm 11 mm
Canterbury Phoenix 2.0 Elite SG 6S, 3 molded M5* 13 mm 15 mm
Canterbury Phoenix 2.0 Pro SG 6S, 3 molded M5* 13 mm 15 mm
Canterbury Phoenix 2.0 Team SG  6S, 3 molded M5* 13 mm 15 mm
Canterbury Phoenix Genesis Pro SG 6S, 3 molded M5* 13 mm 15 mm
Canterbury Phoenix Genesis Team SG 6S, 3 molded M5* 13 mm 15 mm
Canterbury Phoenix Raze SG 6S, 3 molded M5* 13 mm 15 mm
Canterbury Speed Falcon Elite SG 6S, 3 molded M5* 11 mm 13 mm
Canterbury Speed Falcon Pro SG 6S, 3 molded M5* 11 mm 13 mm
Canterbury Speed Falcon Team SG  6S, 3 molded M5* 11 mm 13 mm
Canterbury Speed Infinite Elite SG 6S, 3 molded M5* 11 mm 13 mm
Canterbury Speed Infinite Pro SG 6S, 3 molded M5* 11 mm 13 mm
Canterbury Speed Infinite Team SG 6S, 3 molded M5* 11 mm 13 mm
Canterbury Stampede Groundbreak Elite SG 8S, 3 molded M5 18 mm 18 mm
Canterbury Stampede Groundbreak Pro 8S, 3 molded M5 18 mm 18 mm
Canterbury Stampede Groundbreak Pro SG 8S, 3 molded M5 18 mm 18 mm
Canterbury Stampede Groundbreak Team SG 8S, 3 molded M5 18 mm 18 mm
Canterbury Stampede Pro SG 8S, 3 molded M5 15 mm 15 mm
Gilbert Cage Pace Pro 6S SG 6S, 7 molded M6 11 mm 13 mm
Gilbert Cage Torq 6S SG 6S, 6 molded M6  8 mm 11 mm
Gilbert Icon 6S SG 6S, 7 molded M6 11 mm 13 mm
Gilbert Icon 8S SG 8S, 2 molded M6 11 mm 11 mm
Gilbert Sidestep X20 6S Power SG 6S, 6 molded M6  8 mm 11 mm
Mizuno Monarcida Neo III Select SG 8S M5 13 mm 15 mm
Mizuno Waitangi II CL SG 8S M5 15 mm 15 mm

Studs and Stud Packs:  shop for studs

Brand Stud Pack Stud Thread Stud Lengths Available
Canterbury Long Performance Studs M5 Pack of: 13mm & 15mm
Canterbury Short Performance Studs M5 Pack of: 11mm & 13mm
Canterbury Stampede Performance Stud M5 18mm
WRS All Surface/All Weather M6 Kit M6 Pack of: 6, 8, 11, 13, 15, 18mm
WRS All Surface/All Weather M5 Kit M5 Pack of: 10, 13, 15, 18, 21mm
WRS M5 Plastic Turf Studs M5 10mm, 13mm
WRS M6 Plastic Turf Studs M6 8mm or 11mm
WRS M5 Studs (Metal) M5 15mm, 18mm, 21mm
WRS M6 Studs (Metal) M6 6mm, 8mm, 11mm, 13mm, 15mm, 18mm
adidas Aluminum TRX Long Stud Pack
Pack of: 11mm & 15mm
adidas Adipower Stud Pack
Pack of 8mm & 11mm
Gilbert Aluminum Stud Pack
Packs of 15/18mm or 18/21mm

 

Most boots arrive with a stud tightening tool. We recommend that you tighten your studs before wearing your boots for the first time.


Outsoles

 

Studs can be detachable or molded, designed for soft or firm ground, and suited to specific field positions.
Choosing the right studs for the surface & playing style helps prevent boot damage & reduces the risk of injury.
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Metal vs Molded Studs  

Metal Studs (Replaceable)

  • Replaceable studs made of aluminum
  • Seen on Soft Ground Boots
  • Allow players to tailor their boots with the stud lengths they prefer based on field condition, playing style and position.
  • Metal studs wear more evenly than molded studs. If you take care of your boots by cleaning the leather and replacing the studs when they wear down, your boots will last longer than molded boots

Molded Studs

  • Permanent studs made of rubber or another non metal material
  • Seen on Firm Ground Boots, soft ground hybrid boots, Artificial Grass Field Boots and Turf/Hard Ground Boots. Firm ground pitches are usually in sunnier, dryer climates.
  • Usually tailored to backs

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Thread Size

Thread Size: Rugby boot studs screw into threaded sockets in the sole of the boot. These threads must match exactly to avoid damage or loosening during play.

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Stud Length

Stud Length: The ideal stud length depends on both the playing surface and the player's position. Longer studs provide better grip on soft ground and are typically preferred by forwards, while shorter studs are favored by backs who require greater agility and quick movement. 

Studs are available in 8mm - 21mm lengths

Shorter: 

Shorter studs (8mm-15mm) are typically seen on firm ground

Backs push less than forwards and need less ground grip. They usually wear shorter studs for lighter boots, allowing quicker movement and easier pivoting.

Longer:

 

Forwards, particularly in scrums, depend heavily on sustained pushing and drive, requiring maximum traction. To achieve this, they typically use longer studs for enhanced grip on soft or wet surfaces.
While most players generate power from the forefoot, longer rear studs play a critical role in stabilizing body posture and promoting a forward-leaning position. This not only helps maintain balance under pressure but also reduces the likelihood of being driven backward during set pieces or close-contact phases.

Outsole Designs

Soft Ground Outsole Designs

6 stud

  • 4 up front and 2 on back heel
  • allows for faster foot turn over for cutting and moving
  • tailored to backs and loose forwards who want a lighter boot for cutting
    and pivoting
boot outsole with a 4-2 stud design

8 stud

  • 6 up front and 2 on back heel
  • slower than 6 stud design but has better traction
  • tailored to tight 5 players or loose forwards who want increased traction and grip
boot outsole with a 6-2 stud configuration

7 stud (less common)

  • 5 up front and 2 on back heel
  • balance of speed and grip
  • geared toward loose forwards

Firm Ground Boot Outsole Stud Design

  • consist of 10-14 molded studs made of rubber or another non-metal material
  • grip better than soft ground boots
  • tailored to all positions in dryer parts of country
  • if you only own one type of boot, this is good unless you live in a very wet part of country as they can be used on soft but not wet fields
  • studs are bladed, conical or a mixture of both. The more one cuts and jukes, the more bladed the design should be, the more one twists and pivots, the more conical the design should be.
outsole of rugby boot with molded studs
bladed studs These studs are thinner with a knife-like edge, ideal for lateral movements and cutting, but less effective for twisting and pivoting. They are legal unless deemed “sharp or abrasive” by the referee.

conical studs are round, better for pivoting and allow for more twisting

mixture of bladed and conical studs - typically 4 bladed under heel for
planting and cutting and rounded under forefoot for pivoting; good all
around performance
boot outsole with bladed and conical studs

Turf/Hard Ground Boot Studs

  • short, usually rubber studs uniformly across the outsole
  • great force displacement
  • grips ground with shallow studs that just penetrate surface of field
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