2Bros Parts

ULTRA HD TUBE 21x300 BORILLI, 4MM ULTRA HEAVY DUTY, BRA21

£24.76

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UK delivery £4.99, free over £60 2–4 business days

Spread the cost with Klarna 18+, T&Cs apply

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Ultra Heavy Duty Inner Tube 4mm. Made from 4mm thick rubber, these tubes help to minimise punctures and tube pinching during tyre changes. Ideal for off-road and long-distance riding.

Specifications
SKU
69-010.BOR
Brand
Borilli
Availability
In Stock (89)
General Product Group
Tyres, Tubes & Mousses
General Product Type
Tube
General Size
21x300
Variant Id
293712
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Borilli 4mm Ultra Heavy Duty Inner Tube for 21-inch Tires

Minimize punctures and tube damage during tire changes with this ultra heavy duty inner tube from Borilli. Constructed from robust 4mm thick rubber, it offers exceptional toughness and reliability.

This heavy duty tube is an excellent choice for riders who demand extra durability, particularly for off-road adventures and long-distance journeys where tire integrity is paramount.

Key Features:

  • Ultra Heavy Duty construction
  • 4mm thick rubber for enhanced durability
  • Designed to reduce the likelihood of punctures
  • Helps prevent tube pinching during tire installation
  • Ideal for off-road and long-distance riding
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.

Call or email us with your make, model and year and we will check it for you before you order.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

More answers in our FAQ.

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