--- product_id: 56074490 title: "Large Bike Seat Bag" brand: "rockbros" price: "SAR 497" currency: SAR in_stock: true reviews_count: 13 category: "Rockbros" url: https://www.desertcart.com.sa/products/56074490-large-bike-seat-bag store_origin: SA region: Saudi Arabia --- # Adjustable 14L Roll-top Capacity 100% Waterproof 3-layer TPU Tool-free Quick Buckle Mount Large Bike Seat Bag **Brand:** rockbros **Price:** SAR 497 **Availability:** ✅ In Stock ## Summary > 🚴‍♂️ Elevate your bikepacking game with gear that rides as hard as you do! ## Quick Answers - **What is this?** Large Bike Seat Bag by rockbros - **How much does it cost?** SAR 497 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.sa](https://www.desertcart.com.sa/products/56074490-large-bike-seat-bag) ## Best For - rockbros enthusiasts ## Why This Product - Trusted rockbros brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety in Sight:** Reflective straps boost night visibility for safer urban and trail rides. - • **Pack Smart, Pack More:** Expandable roll-top design adapts from compact to max 14L capacity—ditch multiple bags. - • **Snap & Go Installation:** No tools needed—secure buckle straps fit all bike types in seconds. - • **Built to Last & Perform:** Reinforced steel frame keeps shape, prevents sagging, and protects your essentials on rugged routes. - • **Ride Dry, Ride Confident:** Triple-layer waterproof tech keeps gear bone dry even in downpours. ## Overview The ROCKBROS Bike Saddle Bag is a versatile, waterproof 14L bikepacking essential crafted from durable 600D nylon with TPU film. Featuring an adjustable roll-top closure, quick buckle mounting, and reflective straps, it offers secure, tool-free installation on any bike. Its reinforced steel frame maintains shape and protects contents, making it perfect for long-distance rides and all-weather adventures. ## Description Buy ROCKBROS Bike Saddle Bag Waterproof Bikepacking Bag 15L Bicycle Seat Bag | Large Capacity Bike Seat Post Bag For Road Mountain Bikes, Bicycle Seat Pack With Reflective Stripes, Easy Installation: Seat Packs - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Outstanding Bike Touring Bag – Built for Real Adventures - This bike touring bag has completely exceeded my expectations. First and foremost, it is truly waterproof — not just “water-resistant” like so many others claim to be. I’ve ridden through heavy rain and everything inside stayed bone dry. That alone gives me huge peace of mind on longer trips. The build quality is exceptional. It feels incredibly sturdy, with tough materials, reinforced seams, and zippers and buckles that are clearly made to last. It’s also surprisingly comfortable to ride with. The design hugs the frame perfectly, and there’s no annoying sway or rattle, even on rougher roads or gravel. One of the smartest design features is how it keeps the center of gravity low. That really helps with balance and maneuverability, especially when climbing or handling tight turns with a fully loaded bike. It feels stable, secure, and natural — you almost forget it’s there. And it’s spacious! I’ve packed gear for multi-day tours with no problem. The layout is intuitive, making it easy to access essentials without having to unpack everything. In short, this bag nails it on all fronts. It’s rugged, waterproof, well-designed, and a joy to tour with. Highly recommended for anyone serious about bikepacking or long-distance rides. Review: Great product, great value - I’m new to the bikepacking scene so I wanted to find something to let me try it out without breaking the bank. Enter RockBros bags, a great product for a great price. I just finished a three-day trip on the Great Allegheny Passage (GAP Trail), and these bags were awesome! In fact, better than awesome. On Day 1, it rained. The. Whole. Time. Like downpour rain. When I got to my destination, I was skeptical about whether my stuff would be dry. I needn’t have worried. When I opened the bags (I have the half frame bag, too), my stuff was dry as a bone. There are a couple of nitpicky things I noticed. For example, it’s tough to find the right way to pack the bag because it’s so narrow by the seat (but, silver lining, it allowed for an inexpensive seat-mounted water bottle holder that also functioned as sort of a sway bar), and it tended to sag a bit in the back when it was loaded with stuff (which I sort of figured out by Day 3), but those were minor issues in the scheme of things. In the end, I’m telling you, when they say “waterproof,” they mean it. I’m super happy with my purchase and I would purchase more RockBros products in the future. ## Features - ADJUSTABLE & FOLDABLE: Bikepacking bag maximum capacity 14L. Easy to hold your tools and short distance items. Roll-top closure design adjust the length of saddle bag to meet your different capacity needs.Why spend much money on several sizes of bag instead of this adjustable capacity saddle bag ? - WATERPROOF & EASY TO CLEAN: Composite 3 layer bike bag is waterproof. INNOVATIVE material made this large bike saddle bag so that dirt or mud can be clean with a wet cloth - EASY TO INSTALL: Fixed buckle with straps secure hold your bag under seat. No tools needed suitable for variety bikes, road bike, mountain bike, dirt bike, bmx, mtb. - REFLECTIVE straps increase your night visibility during night cycling. Bike Saddle bag can be used as FENDER if rains heavily reduce the muddy water splashing on your cloth. - Product Dimensions: Build in steel around the using panel keep the bag stay in shape and protect items from extrusion. Enjoy your cycling journey no matter sunny or rainy. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B076CC6VM1 | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #126,717 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #55 in Bike Seat Packs | | Brand | ROCKBROS | | Brand Name | ROCKBROS | | Capacity | 14 liters | | Closure Type | Buckle | | Color | Max 14L | | Compatible with Vehicle Type | Bicycle | | Customer Reviews | 4.3 out of 5 stars 401 Reviews | | Handle Type | Web Handle | | Item Dimensions L x W x H | 30.91"L x 14.57"W x 5.91"H | | Item Weight | 16 ounces | | Manufacturer | ROCK BROS | | Manufacturer Part Number | AS-012 | | Material | 600D Nylon+Waterproof TPU Film | | Material Type | 600D Nylon+Waterproof TPU Film | | Model Number | AS-012 | | Mounting Type | Seat Mount | | Number of Compartments | 1 | | Number of Items | 1 | | Pattern | Solid | | Product Dimensions | 30.91"L x 14.57"W x 5.91"H | | Shell Type | Soft | | Size | Max 14L | | Strap Type | Adjustable | | Style Name | Sporty | | UPC | 658126745406 | | Vehicle Service Type | Bicycle | | Water Resistance Level | Waterproof | ## Product Details - **Color:** Max 14L - **Size:** Max 14L - **Brand:** ROCKBROS - **Material:** 600D Nylon+Waterproof TPU Film - **Vehicle Service Type:** Bicycle ## Images ![Large Bike Seat Bag - Image 1](https://m.media-amazon.com/images/I/71cRW9TnzfL.jpg) ![Large Bike Seat Bag - Image 2](https://m.media-amazon.com/images/I/91brRnJuPRL.jpg) ![Large Bike Seat Bag - Image 3](https://m.media-amazon.com/images/I/81aCUZ2jS5L.jpg) ![Large Bike Seat Bag - Image 4](https://m.media-amazon.com/images/I/715wRo0lz7L.jpg) ![Large Bike Seat Bag - Image 5](https://m.media-amazon.com/images/I/713jXCV6GFL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: What's the maximum weight that it can hold?** A: Not sure off weight capacity although for 8 days I had it totally stuffed **Q: Can you fit a pair of jeans and a shirt in the bag?** A: Yes there is sufficient space for a pair of clothes. I typically put my dress shoes and my lunch into the bag which is probably the extent of its capacity. **Q: Will it fit a usgi sleep system in it ?** A: I do not know the size of the usgi sleep system. Check out the volume of the bag you are looking at. I do not have the bag with me now to measure it. It is very large though. **Q: Any funny feelings when riding a road bike with a fully loaded bag ?, Balance issues ?, Other ?** A: Haven't yet had this bag on my road (gravel) bike...only on my mt bike. That said, its quickly apparent you have more weight up HIGH on the bike (to be fair I also had a handlebar bag and a top-tube bag...so I was carrying about 25 extra pounds total)...when you first start rolling you cant help but notice the extra weight, and how high-centered you now are (as in, a little slip of the front wheel and you would be down before you knew what happened). So its all about being smooth and balance...kind of like on rollers (where one slip can be disaster). Quite honestly it doesn't take long and you can easily forget about how heavy your bike is...you do want to TRY to put your heaviest stuff as low in the bag as possible (I keep my jet-boil down near the very bottom). Its a GREAT BAG, enjoy the ride! ## Customer Reviews ### ⭐⭐⭐⭐⭐ Outstanding Bike Touring Bag – Built for Real Adventures *by S***N on May 12, 2025* This bike touring bag has completely exceeded my expectations. First and foremost, it is truly waterproof — not just “water-resistant” like so many others claim to be. I’ve ridden through heavy rain and everything inside stayed bone dry. That alone gives me huge peace of mind on longer trips. The build quality is exceptional. It feels incredibly sturdy, with tough materials, reinforced seams, and zippers and buckles that are clearly made to last. It’s also surprisingly comfortable to ride with. The design hugs the frame perfectly, and there’s no annoying sway or rattle, even on rougher roads or gravel. One of the smartest design features is how it keeps the center of gravity low. That really helps with balance and maneuverability, especially when climbing or handling tight turns with a fully loaded bike. It feels stable, secure, and natural — you almost forget it’s there. And it’s spacious! I’ve packed gear for multi-day tours with no problem. The layout is intuitive, making it easy to access essentials without having to unpack everything. In short, this bag nails it on all fronts. It’s rugged, waterproof, well-designed, and a joy to tour with. Highly recommended for anyone serious about bikepacking or long-distance rides. ### ⭐⭐⭐⭐⭐ Great product, great value *by K***R on July 20, 2022* I’m new to the bikepacking scene so I wanted to find something to let me try it out without breaking the bank. Enter RockBros bags, a great product for a great price. I just finished a three-day trip on the Great Allegheny Passage (GAP Trail), and these bags were awesome! In fact, better than awesome. On Day 1, it rained. The. Whole. Time. Like downpour rain. When I got to my destination, I was skeptical about whether my stuff would be dry. I needn’t have worried. When I opened the bags (I have the half frame bag, too), my stuff was dry as a bone. There are a couple of nitpicky things I noticed. For example, it’s tough to find the right way to pack the bag because it’s so narrow by the seat (but, silver lining, it allowed for an inexpensive seat-mounted water bottle holder that also functioned as sort of a sway bar), and it tended to sag a bit in the back when it was loaded with stuff (which I sort of figured out by Day 3), but those were minor issues in the scheme of things. In the end, I’m telling you, when they say “waterproof,” they mean it. I’m super happy with my purchase and I would purchase more RockBros products in the future. ### ⭐⭐⭐⭐ Still lacking in durability *by B***Y on April 26, 2019* I received what I think is the third version of the bag, as the attachment under the saddle is reinforced but not with metal grommets. I really wish I had received the second version with the metal grommets, because about three weeks into my bike touring trip it started tearing. It got worse over time, but thankfully I was still able to make it home before it fully tore off. The bag is great in that it is waterproof as described, but it really is lacking in the area of durability. UPDATE: RockBros just sent me the previous (second) version of the bag with metal grommets. The grommets go all the way through and I can feel them from the inside, so I'm certain this new bag I received won't have the same tearing problem as before. Not sure why they "upgraded" to the third version without the metal grommets as it holds the bag together better---maybe it looks better? Regardless, I'm very impressed with their customer service as they had to contact their factory to produce this version of the bag for me. I definitely would not hesitate to buy their other products in the future with the way their customer service has treated me. ## Frequently Bought Together - ROCKBROS Bikepacking Bag Waterproof Bike Saddle Bag Large Capacity Bikepacking Seat Bag Road Mountain Bike Seat Bag Max 14L - ROCKBROS Bikepacking Bike Handlebar Bag 7L-14L Waterproof Large Dry Pack Bicycle Front Bag Roll for MTB Mountain Road Drop-bar Bikes Bar - ROCKBROS 5L Bike Bicycle Frame Bag Waterproof Bikepacking Bike Bag Triangle Frame Bag Large Bike Storage Bag Under Frame 5L --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.sa/products/56074490-large-bike-seat-bag](https://www.desertcart.com.sa/products/56074490-large-bike-seat-bag) --- *Product available on Desertcart Saudi Arabia* *Store origin: SA* *Last updated: 2026-08-14*