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Gilbert G-TR8000 Sky T4 Rugby Training Ball

The Gilbert G-TR8000 size 4 ball is designed for U12-U14 players and any team seeking a reliable training tool for technical sessions and youth category matches. TEK synthetic cover with high resistance, reinforced seams to withstand repeated ground strikes and firm passes. World Rugby approved, it guarantees weight, circumference and bounce compliant with youth competition standards.

Size 4 (71.5 cm circumference) suits pre-teen morphology — smaller hands but developing pass strength. Sky colour for optimal visibility on synthetic pitches or winter grass. Butyl rubber bladder ensuring pressure retention over several weeks of intensive training.

What category for a size 4 ball?

Size 4: U12 to U14 (10 to 13 years depending on morphology). Circumference 71.5 cm, weight 340-370 g.

Does the G-TR8000 resist hard grounds?

Yes, the TEK cover and reinforced seams withstand bounces on synthetic surfaces and frozen ground.

What inflation pressure?

Between 0.67 and 0.70 bar (9.5-10 PSI). Check before each session to maintain bounce and shape.

Technical specifications

Size4
Circumference71.5 cm
Weight340-370 g
CoverTEK Synthetic
BladderButyl rubber
ApprovalWorld Rugby
ColourSky

Design

Gilbert's TEK synthetic cover combines durability and consistent grip, even in wet conditions. Unlike standard rubber, it retains its surface texture after several hundred passes. Reinforced seams — 4-panel assembly with cross-stitching — limit tearing at stress points. The butyl bladder ensures superior sealing compared to latex (40% reduced pressure loss), avoiding daily re-inflation.

Care advice

Clean with warm soapy water after each muddy session, air dry (never near a radiator, risk of cover drying). Check pressure before each training session — slightly deflate if stored long-term to preserve the bladder. Store away from direct sunlight, temperature between 10 and 25°C.

Gilbert

Founded in 1823 in Rugby (England), Gilbert remains the official World Cup supplier since 1995. The G-TR range (Training Range) applies match ball technologies in reinforced versions for daily training — increased durability without compromise on approved playability.

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