Product Colors and Sizes

Special product, Innovation Special product, New Release Special product, Special product, Sale

0.5 L Saddle Bag 100

Sale price: $4.99 Regular price:
Color: Select a color
Size: Select a size
Sale price: $4.99 Regular price:

Free returns

Free shipping over $30

Free pickup

San Francisco, 735 Market St. Options

Select an available color and size to see options.

Model: 8347394

Product Features

A photo of the 0.5 L Saddle Bag 100 in use

0.5 L Saddle Bag 100 is designed for For carrying your bike repair kit and small personal items

A small cycling bag that is easy to put on and take off. Attaches to all bike saddle types.


Capacity: 0.5 liters. Can hold a spare inner tube, tire levers, patch kit, etc.

Easy assembly/dismantling

Can be attached under any saddle using rip-tabs.


"Dope dyed" fabric resulting in a 38% saving in CO2 emissions.

Easy to use

Easy to open with the zipper Easy to clean with water.

Product Customer Reviews

Skip to reviews
495 Reviews
Write a Review 

0.5 L Saddle Bag 100,black
Filtered by reviews Loading reviews…

Simple to fit very handy

icon-circle-checkmark verified purchase
Great wee saddle bag

Just enough room for tube, levers and emergency cash/phone

icon-circle-checkmark verified purchase
Nice product.

I will comeback and buy more products.

icon-circle-checkmark verified purchase
Small seat bag

Light, easy fit, easy access, easy to remove, big enough for micro tool kit and spare tube

icon-circle-checkmark verified purchase
Extremely pleased with this version

I'm extremely pleased with this version of the bag - an upgrade from the all-fabric version ealier. Purchased this because I lost the other one. Love the semi-rigidity of it. With this I can pack: 1 inner tube, 2 levers, 1 set allen key, 3 AAA batteries, 1 CO2 cartridge, 1 nozzle & 1 patch kit. Superb!

Velcro quality not enough

Following my other reviews of cycling products this is another product I have tested for months and unfortunately facing a proper downpour last week while cycling velcro fasteners lose their grip when wet and this saddle bag fell off my bike - got me lost my tool set and fortunately (!) this one time I put my house keys into my jersey's back pocket. Decathlon you really need to improve velcros please! This applies to other products as well: phone holder, MTB gloves. I would be far from impressed if I had lost my keys. It's two of your products that fell off my bike during 1 ride (28 mile on-road / off-road on Sunday 29th of July).

I'm sorry to read that the hook and loop fastening did not function correctly. If you believe the item to be faulty, please feel free to return it to us for an exchange as it comes with a 2 year warranty.
Peter Lazarus, National Cycling Manager, DECATHLON
excellent value

JUST big enough for an inner tube, and tyre levers and possibly a tiny tool set. extremely good value compared to similar and sits under saddle securely. After buying one I bought 1 for each bike in the family.

icon-circle-checkmark verified purchase
BTWN 300 Bike Saddle Bag S 0.5L - Black

Bear in mind that this bag is only 0.5L capacity but for what I wanted it is ideal - stow lights, clips, gloves, small amount of cash. It has a Velcro strap that wraps around the underside of the saddle, where it is held firmly in place, or alternatively it can be affixed to the crossbar. It takes just seconds to remove and is small enough to carry in your hand or pop into a shoulder bag. It has a fabric clip on the end to which a camera can be attached. I am very pleased with it and would recommend it for carrying just a few small items but a larger one may be required depending one your needs.

icon-circle-checkmark verified purchase
Does the job

I've managed to get a spare tube, tyre levers & a range of tools (chain splitter, multi tool, links etc) in it. Tight squeeze but they're in there! Useful flap on the back to hang a rear light off too.

icon-circle-checkmark verified purchase
Nice product

Gud keep it up

icon-circle-checkmark verified purchase

ok. small for put in inner tube

icon-circle-checkmark verified purchase

good price but quite small if needed to put a inner tube. recommend for that the next size

icon-circle-checkmark verified purchase

The price for this small of a size is really expensive and the information is also inaccurate, side by side comparison of the 500 and the 300 one saddle bag revealed that the smaller one is like half the size of the 500 one but still are listed 100ml apart in terms of volume, really bad product.


Thank you for taking the time to give us your review. We have not received complaints regarding the price of the product before but we are striving to keep the pricing as low as possible to make the product accessible to the user. Regarding the size, the saddle bag 300 is 100ml smaller than the saddle bag 500 and it has been tested in full capacity before being approved. The bag can be compressed depending on the contents inside to have a perfect fit. I remain available if you have any questions.

I think the design is not correct

The way strap/ loop is design to attache the bad to bike is not good, It shrinks the bang & also doesn't fit well

icon-circle-checkmark verified purchase

Hello Praveen, 

Thank you for taking the time to give us your review. The velcro strap that is taken around the seat rail is used to secure the saddle bag. The saddle bag can be filled to its complete capacity before using the strap to secure it under the saddle. The crushed appearance is seen on the bag when it is tied to the saddle with very little or no materials within the bag. I remain available if you have any questions. 


icon-circle-checkmark verified purchase
Skip to reviews

Additional Product Information


Main fabric

  • 100% Polyester cationic


This bag can hold: - 1 road inner tube (700) + 3 tire levers + 1 multitool + 2 x CO2 cartridges OR - 1 MTB inner tube (27.5") + 3 tire levers + 1 multitool

Reducing our environmental impact for this product.

This bag's fabric is "dope dyed." In this mass dyeing process, the thread itself is dyed, rather than the fabric, which reduces the amount of water used to make the product. Compared with the previous version of this bag, where the fabric was dyed, the process has reduced: - CO2 emissions by 38% - fine particulate emissions by 53% (PM2.5) - excess mineral content in fresh water by 62% - excess mineral content in sea water by 67%


This product has a space for fitting a VIOO Clip, an LED light that can be clipped on anywhere and taken off in one go. With a red or white light that lets the user choose between continuous or flashing modes, the VIOO CLIP makes you clearly visible from up to 400' away. Battery life is 9 hours in flashing mode, 4½ hours in continuous mode. Easy to recharge via a USB cable (sold with the VIOO Clip).



Storage instructions

Dry the contents in case of rain.

Superior quality. Unbeatable prices.

For 40 years, Decathlon has delivered the best value in the retail sports industry by offering high-quality, sustainable and cost-effective products.

Decathlon makes the difference
  1. product-research

    Research and development

    delivers high-quality cost-effective products

  2. State-of-the-art production processes

    minimize manufacturing costs

  3. Optimized supply chain

    reduces retail prices

  4. laptop-checkout

    Minimal retail footprint

    lowers overhead and indirect costs


Size Guide Visual