Class Structure

    MICRO ROK

 

AGE: 7 – 9 years old
WEIGHT 230 lbs
ENGINE Mini ROK
KART NUMBER  1 – 99
REAR WIDTH 50 in
TIRE: Bridgestone “YLR” 4.5/10.0-5
NOTES: Exhaust restrictor

Chest Protectors are MANDATORY for all drivers under 13 years of age.

    MINI ROK

AGE: 8 – 12 years old
WEIGHT 245 lbs
ENGINE Mini ROK
KART NUMBER 100 – 199
REAR WIDTH 50 in
TIRE: Bridgestone “YLR” 4.5/10.0-5
NOTES: Chest Protectors are MANDATORY for all drivers under 13 years of age.

  JUNIOR ROK

AGE: 12 – 15 years old
WEIGHT 320 lbs
ENGINE ROK GP
KART NUMBER 200 – 299
REAR WIDTH 55 1/8 in
TIRE: Bridgestone “YLR”      Front 4.5/10.0-5         Rear 7.1/11.0-5
NOTES: Exhaust restrictor

Chest Protectors are MANDATORY for all drivers under 13 years of age.

  SENIOR ROK

AGE: 15 years old
WEIGHT 355 lbs
ENGINE ROK GP
KART NUMBER 300 – 399
REAR WIDTH 55 1/8 in
TIRE: Bridgestone “YLR”      Front 4.5/10.0-5         Rear 7.1/11.0-5

  MASTER ROK

AGE: 32+ years old  or   +190 body weight
WEIGHT 390 lbs
ENGINE ROK GP
KART NUMBER 600 – 699
REAR WIDTH 55 1/8 in
TIRE: Bridgestone “YLR”      Front 4.5/10.0-5         Rear 7.1/11.0-5

  SHIFTER ROK

AGE: 15 years old
WEIGHT 395 lbs
ENGINE ROK Shifter
KART NUMBER 400 – 499
REAR WIDTH 55 1/8 in
TIRE: Bridgestone “YLR”      Front 4.5/10.0-5         Rear 7.1/11.0-5

  SHIFTER  MASTER ROK

AGE: 32+ years old  or  +190 lbs body weight
WEIGHT 410 lbs
ENGINE ROK Shifter
KART NUMBER 500 – 599
REAR WIDTH 55 1/8 in
TIRE: Bridgestone “YLR”      Front 4.5/10.0-5         Rear 7.1/11.0-5

 

 

 JUNIOR 100 cc

AGE: 12 – 15 years old
WEIGHT 310 lbs
ENGINE ROK VLR / IAME KA100
KART NUMBER 900 – 999
REAR WIDTH 55 1/8 in
TIRE: Bridgestone “YLR”      Front 4.5/10.0-5         Rear 7.1/11.0-5
NOTES: Exhaust restrictor

Chest Protectors are MANDATORY for all drivers under 13 years of age.

 

SENIOR 100 cc

AGE: 15+ years old
WEIGHT 350 lbs
ENGINE ROK VLR / IAME KA100
KART NUMBER 700 – 799
REAR WIDTH 55 1/8 in
TIRE: Bridgestone “YLR”      Front 4.5/10.0-5         Rear 7.1/11.0-5

 

MASTER 100 cc

AGE: 32+ years old
WEIGHT 380 lbs
ENGINE ROK VLR / IAME KA100
KART NUMBER 800 – 899
REAR WIDTH  55 1/8 in
TIRE: Bridgestone “YLR”      Front 4.5/10.0-5         Rear 7.1/11.0-5

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