Expanding Rim Belts

Flexible rubber cuffs that seal the tire edges during curing, protecting the bead area from the rim and holding the envelope's air seal at both ends of the tire.

Diameter range	15" – 22.5"
Material	Flexible rubber compound
Reusable	Yes, across multiple cures

Standard and OTR size ranges available — see size chart below.

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Size Chart

Standard Sizes

15 / 7.1

15 / 7.9

16 / 7.1

16 / 10

20 / 8.0

20 / 10

22.5 / 13

22 / 8.0

22.5 / 9

24 / 8.0

24.5 / 9

OTR Sizes

24/25 – 10

24/25 – 12

24/25 – 14

24/25 – 16

24/25 – 18

24/25 – 19.5

24/25 – 23.5

25 / 16

29 / 26

33 / 13

Key Features

Flexible edge-sealing cuffs protect the bead area
Reusable across multiple cures
Available in multiple diameters to match your envelope sizes
Holds seal integrity under repeated heat cycling

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Ask About Expanding Rim Belts

Send us your requirements and we'll get back to you within 24 hours with pricing and lead times — no obligation.

📞 +1 (437) 988-5132 💬 WhatsApp Us ✉️ ashwin@goodhoperetreaders.com