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ROCKBROS Bicycle Tube Bag Large Capacity Storage Waterproof Bike Bag Carbon Pattern Hard Shell Bag Cycling MTB Bike Accessories

ROCKBROS Bicycle Tube Bag Large Capacity Storage Waterproof Bike Bag Carbon Pattern Hard Shell Bag Cycling MTB Bike Accessories

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Specifications

Brand Name
ROCKBROS
Origin
Mainland China
High-concerned chemical
None
Material
Nylon, 210D
Type
Top tube bag/bottom tube bag
Certification
CE
Function
Rainproof
is_customized
Yes
Model Number
B67
Product name
Bicycle Tube Bag
Weight
245g / 300g
Capacity
1.5L / 2.5L
Waterproof
Prevent Splash Water

Product Description

PRODUCT INFORMATION

Brand: ROCKBROS
Material: 210D Inner Fabric
Weight: B66: About 245g (Single zipper)
B67: About 300g (Double zippers)
Capacity: 1.5L (B66) / 2.5L (B67)
Waterproof: Prevent Splash Water

Compartments for storage

Zipper storage section

Side reflection LOGO design

Velcro straps fixation

DETAILS

1. Embossed comfortable zipper
2. Laminated waterproof zipper
3. 210D interior lining
4. Waterproof sturdy surface


Pros & Cons

Pros

  • Large capacity 1.5L/2.5L with multiple compartments
  • Splash-proof 210D nylon for wet conditions
  • Velcro straps and reflective logo for secure, safe use
  • Hard carbon pattern shell adds durability

Cons

  • Not fully submersible waterproof, only splash resistant
  • Heavier at 300g for larger model
  • Velcro may wear on rough frames
  • Two models may confuse sizing choice

Common Questions

What material and waterproof rating does the ROCKBROS bike tube bag have?

Made from 210D nylon with inner fabric, prevents splash water for rainproof protection.

What are the capacity options and weights?

Available in 1.5L (B66, 245g) or 2.5L (B67, 300g) for large capacity storage.

How is the bag mounted on the bike?

Uses Velcro straps for secure fixation on top or bottom tubes, suitable for MTB cycling.

Does it have reflective features for safety?

Yes, features side reflection LOGO design for visibility during night rides.

What certification and shipping details apply?

CE certified, ships from Mainland China in 7-20 days with customizable options.

Product information last updated on February 21, 2026