Top 10 Seat Post Bag UK – Cycling Seat Packs

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1. ROCKBROS

ROCKBROS Bike Saddle Bag Bike Seat Bag Bicycle Seat Post Bag Cycling Under Seat Pouch Mini under Saddle Bag Quick Release

ROCKBROS - Wear resistance: high denisty Nylon fabric makes sure that saddle bag has a long servive life. Tail light holder: on the back of the bike pouch, there is a mini band that allows you to attach a tail light.

Double fixation: adopt with quick release buckle and Velcro strap Type B, saddle bag would be fixed to the seat firmly & securely, no swaying. Lightweight: note: if you are not satisfied with saddle bag, pls let us know directlyThis bag is very mini and not suitable for a phone. Also, the reflective elements develop the visibility in the night. More free and riding fast during your cycling trip. Good capacity: it is a mini bike bag though, keys, it has enough storage to put energy gel, mini pump or other necessities. Bike seat bag would add little weight or resistance to you bike as it weighs only 50g. It prevent your items from sunlight.
BrandROCKBROS
ManufacturerROCKBROS
Height5 cm (1.97 Inches)
Length15.5 cm (6.1 Inches)
Width6.5 cm (2.56 Inches)
Part NumberC28BK

2. ROCKBROS

ROCKBROS Bicycle Saddle Bag Waterproof Reflective Cycling Seatpost Bag Wedge Pouch Rear Seat Bag Cycling Accessories Storage Bag Pouch for MTB Road Bike Folding Bike Black 1.5L

ROCKBROS - Large capacity: 1. 5l 16. 5 * 9. 6 * 8. 4cm. There is also a taillight holdertaillight not included in package. The bike saddle bag provides big space for your phone, tools, keys, tires and etc.

This wedge pack bag fits MTB racing bike, road bike folding bike etc. It works perfectly as a kits pouch. Water resistant: the rubberized waterproof zipper could keep your items dry in the rainnot downpour. Easy install: with 2 adjustable hook straps, you can quickly attach bicycle rear seat bag ro your seat or demount. There is a elastic on the side, mini pump, you could put your things separately as you like.

Reflective: reflective stripes and logo on the side and front increase visibility in the dark. Good for people who enjoy driving at night. Durable & anti-slip: the repair kits pouch is made of high-strength 210D nylon and thick twill PU fabric, which can not only maintain the shape, but also very wear-resistant.
BrandROCKBROS
ManufacturerROCKBROS
Part NumberC29-BK

3. OIZEN

OIZEN Bike Saddle Bag 1.8L Bicycle Saddle Bag Seat Post Storage Tail Pouch Cycling Road Bike Rear Pannier Road Bike Bag Bike Water Bottle Holder MTB

OIZEN - You do not have to back pack, or install a bottle rack. Fashion design and convenient to carry. Leave the space for triangle bag. Bicycle bottle holder: under seat bottle holder easy to reach and drink. With a tail light buckle, you can hang a taillight on the bag when in darkness. Velcro strap is easy to installation and release. High quality: made of high-end polyester and waterproofing zipper is easy to clean and durable. Suitable for a variety of bicycles and outdoor cycling. 1. 8l capacity bag: you can store your wallet, phones, towels, small tools etc.
BrandOIZEN
ManufacturerOIZEN
Part Number265
Model265
WarrantyNO

4. UBORSE

UBORSE Bike Saddle Bag 10L Bicycle Seat Bag Waterproof Bike Tail Bag Under Seat Pack Cycling Storage Bag for Outdoor Mountain Road MTB Bike

UBORSE - Adjustable capacity: dimensions-12. 5x51x15. 5cm/4. 9"x201"x6. 1". Waterproof material: this bike saddle bag is made of high quality strong water resistant polyester material, lightweight, anti-scratch. It provides better performance to protect your valuables from water, durable, waterproof, dirt, and dust.

It can store items such as keys, snacks, bicycle repair kit, mini bike pump, etc. The capacity of the bike saddle bag can be adjusted from 3L to 10L through folding the back part. Also, the logo around the bag is reflective, improving your vision when cycling at night. Safety design: there is a buckle at the back of the bag for you to hang a tail light.

Wide application: high-strength button with tape, mountain bike, suitable for various bicycles and outdoor cycling as MTB, folding bike, the saddlebag can be easily attached to the seat and seat post, and road bikes. Easy installation: velcro straps and buckles are convenient for installation. No mounting tools needed, a convenient gear-toting solution that clips instantly to the back of your bike's saddle and seat post.
BrandUBORSE
ManufacturerUBORSE

5. Achort

Achort Bike Seat Bag Waterproof 1.5L Hard Shell Bicycle/Bike Saddle Bag Quick Release Cycling Bag Under Seat Pouch Cycling Wedge Pack Night Visibility for Mountain Road Bike

Achort - Water resistantthis bicycle bag is designed with high quality water resistant material, help to resist water and keep your personal belongings dry and safe, seam-sealed waterproof zipper is durable and sturdy, perfectly protect your items against raindrops and moist.

An inside main pocket with 3 auxiliary mesh pockets allow you to keep items separately and get them easily. Best choice for outdoor adventure. Upgraded bike bagthe upgraded new bike saddle bag is constructed of high duty tear-resistant oxford fabric, and tested to ensure quality and durability, with carefully crafted details to create a best bike pouch for commuter and cycling. Perfect size & convenient designwith the size of 13 * 15 * 20 cm / 5. 1 * 5. 9 * 7. 9in, small cycling accessories, wallet, the bicycle saddle bag is spacious enough for all your essential items like keys, phones, tire repair kit or multi-tool, etc.

Night visibilityreflective straps with logos on the bike saddle bag increase your visibility in low light or dark conditions, and provide a safety signal in the night while cycling. Quick mount & easy release3 stickup straps quick-release mounting system of the seat bag provide excellent stability, keep the bag securely attach to seat post, allow fast and easy tool-free mounting and removal.
BrandAchort
ManufacturerAchort
Part NumberBIKEBG10
ModelBIKEBG10

6. Rhinowalk

Rhinowalk Bike Saddle Bag Waterproof Cycling Tail Bag Strap-on Bike Under Seat Bag for Mountain Road MTB Bike

Rhinowalk - Adjustable capacity -- size: 13. 0" x 8. 7" x 5. 1" 33 x 22 x 13 cm, velcro strap design, the capacity can be adjusted from 5L to meet your needs. Fully waterproof -- made of waterproof pvc material, dirt, providing the best waterproof performance to protect your valuables inside from water, and dust.

No mounting tools needed, a convenient gear-toting solution that clips instantly to the back of your bike's saddle and seat post. It can make your cycling more easy and convenient. Three-points mounting -- use the double standard cushion, durable and reliable, can be easily fixed onto the seat and seat-post, suitable for a variety of bicycles and outdoor cycling, like MTB, high-strength button with a ribbon, mountain bikes, folding bikes and road bikes.

More safe -- this bike under seat bag comes with reflective tape on both sides, helping with night time visibility, enhancing safety while cycling at night. Easy to install -- velcro straps and buckles are convenient for installation and unloading. With smart taillight Hanger on the seat bag for additional safety lights not included.
BrandRhinowalk
ManufacturerRhinowalk
Height5 cm (1.97 Inches)
Length25 cm (9.84 Inches)
Width15 cm (5.91 Inches)

7. Topeak

Topeak Aero Wedge Pack Saddle Bag, Black, Strap Fit, Medium

Topeak - 098 to 1. 31 litre capacity, weight 130g. Fits 27. 2 - 34. 9mm diameter seat posts. Aerodynamic seat bag holds tubes, tools and other repair items. Mounts with an innovative Quick Release Buckle system to fit all railed saddles. 3m reflective strip and safety light clip.
BrandTopeak
ManufacturerTopeak
Height12 cm (4.72 Inches)
Length20 cm (7.87 Inches)
Weight0.13 kg (0.29 Pounds)
Width11 cm (4.33 Inches)
Part NumberTC2261B
Model TC2261B
Warrantyno Guarantee

8. Achort

Achort Bike Saddle Bag, Waterproof Bicycle Seat Pack Large Capacity Bicycle Storage Saddle Bag Bike Under Seat Bag Lightweight Cycling Tail Rear Pouch Cycling Equipment for MBT Mountain Road Bike

Achort - Please do not soak this seat bag in water for a long time. Big capacitythe bike seat tail pouch with an inside main zipper pocket and auxiliary mesh pocket, keys, can fill the tools and small items like keys, such as repair kits and bike tools, wallet, tissue. Quick installation and easy removal, and secure the bike bag with adjustable magic straps, zip pocket for easy putting in and taking out of items.

Easy to installfix the mounting bracket to the bottom of the bike seat, keeps the bag securely attached to seat post. Suitable for a variety of bicycles and outdoor cycling, durable, like mountain bikes, folding bikes and road bikes. Universal bike bagthis bicycle cushion bag is made of high durability and wear resistance material, not easy to deform, stylish and in good shape.

Safe ridingwith reflective strips on the side of bike saddle bag, will make you more secure during night rides. Waterproof materialbike seat bag is made of high quality water resistant material, age-resistant, providing the best waterproof performance to protect your valuables from water, dirt and dust. A perfect cycling bag for holding essentials, sunscreen, snacks. And the sealed zipper will ensure that your belongs are held together and protected. It is durable, cold-resistant, solid and easy to clean.
BrandAchort
ManufacturerAchort

9. UBORSE

UBORSE Bike Saddle Bag Waterproof Bicycle Under Seat Pack Bike Tool Storage Pouch Bike Bag for MTB Mountain Road Bike

UBORSE - The inside pouch helps to collect small items like credit cards, cash and other essential gadgets. They are fastened for easy installation and quick release, which can be stably mounted on the bicycle seat post. Large capacity: dimensions-7.

5"x 3. 1"x3. 9"/ 19x8x10cm. Wide application: the size of the bike saddle bag can match most mountain bike and road bike. Easy installation: you can fix the bag to your bike with Velcro straps and buckles. Only 8 cm width can let you get rid of rubbing it while cycling. Safe guarantee: the bicycle seat pack is equipped with reflective stripes, improving your vision when cycling at night. Also, there is a buckle at the back of the bag for you to hang a tail light.

There is a pe board in the bag, which make the bag solid even it is empty. The capacity of this lightweight saddle bag is 08l. You can store small bike tools, sunglasses and cycling gloves. Added with laminated waterproof zipper, the bag can perfectly prevent your items from water and dirty in rainy days. Waterproof material: the bike saddle bag is made of 900D Oxford fabric, abrasion resistant, lightweight, easy to clean and waterproof.
BrandUBORSE
ManufacturerUBORSE
Part Number992-EU-9693

10. ROCKBROS

ROCKBROS Bike Saddle Bag Bike Rear Under Seat Storage Bag with Water Bottle Pockets Holder Waterproof Reflective Mountain Road MTB Bike Seat Pack

ROCKBROS - And the rubberized zipper also could keep your items dry in the rainy day. Reflective: with a tail light buckle and reflective design elements, you could hang a taillight on the bag which extremely increase your safety when driving at night.

The bike seat bag has enough room to carry the essentials like energy bars, mini pump, patch kit, keys, tire levers, repair tube, chain lube, etc. Water Bottle is not included. 100% waterproof: rockbros bike saddle bag is made of carbon microfiber, which is waterproof, scratch-resistant, easy-cleaning and durable. And there are compartments inside and also a pocket on the outside to hold the water bottle.

Compatibility: the rear pannier bag is suitable for most bicycles whose seatpost height is greater than 25cm like small E-bikes, Electric Scooters, Unicycles, Folding Bikes, Water bikes, Mountain bikes, Road bikes, etc. Easy to install: hook and loop design makes the bag fix firmly with the bicycle saddle and the bag can be quickly and easily assembled and taken off. Large capacity: 1l volume.
BrandROCKBROS
ManufacturerROCKBROS
Part NumberC35/RBBDE
ModelC7