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Timbuk2Seat Pack XT

Sale 36% Off$17.95 - $30.00

Item # TBK0206

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  • Jet Black Reflective, M ($30.00)
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Item # TBK0206

It's right there.

Nothing beats the convenience of an under-seat pack. Not that they're very large, but once you have your important items stashed in the seat pack, they're there when you need them. Stash a spare tube, a patch kit, a multi-tool, and some extra chain in case of the typical mechanical failures.

  • 100% nylon
  • Zippered opening
  • Seatpost and saddle rail straps
Tech SpecsWeight
Tech Specs
100% nylon
[small] 15 cu in, [medium] 27 cu in
1 rear
[small] 6.3 x 2.4 x 2.0 in, [medium] 8.3 x 3.9 x 2.8 in
Recommended Use
cycling, mountain biking
Manufacturer Warranty

Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

[small] 1.6 oz, [medium] 3.2 oz

Reviews & Community


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Works as expected

  • Familiarity: I've used it several times

Saddle bag works as expected. Have been very happy with it so far. Seems to be built well and hods everything I need it to.

Will Not Fit an Aero Seat Post

  • Familiarity: I've used it once or twice and have initial impressions

The attachment for the seat post is too short to fit on an aero post--not by much, but by enough so that elastic strains so much it pops off the clasp. It will fit nicely on a standard, round post however; moreover, the bag is well built and the medium will easily hold a tube, cartridges, inflator, multi tool and a snack bar.

Couldn't Make It Work

    I bought the small because I wanted that metallic look. My tires are a 28 so the tube is much bigger. So I can't get a tube, cartridge, tire lever and a multi-tool in this. It looks beautiful. I should send it back but I will keep it. Maybe I will have some use for it in the future. The medium just came in the black, cloth look. I didn't want that. A little too plain.

    Unanswered Question

    Hi. Would an iPhone X fit in the medium size version of this bag?

    Larger than expected (medium)

    • Familiarity: I've used it once or twice and have initial impressions

    I was quite surprised how large this medium size is. It will hold (with ample extra room) everything I would normally carry (tube, multi tool, 2 CO2s/inflator, patches, tire levers. It is built well. It has some velcro strips on the side (inside) that appear to be secret places for cash, cards, etc. The product is built with quality materials and constructed well. Should last a long time. Looks good too.

    Perfect size

    • Familiarity: I've used it several times

    This is the perfect size to hold emergency tools. The construction is solid. I was afraid it might get caught up in my dropper post, but it stays out of the way. Just what I was looking for.

    Does this bag have any Velcro? I’m looking for a saddlebag with no Velcro, since it can rub and damage my expensive shorts and tights!

    Hey Robin! Great question! This saddle bag does not have any velcro on it. Your bibs are safe!

    The reflective fabric is money!

    • Familiarity: I gave it as a gift but have feedback to share

    I bought this for my husband, he's very picky about what goes on his baby (BMC road bike). After he shredded his last seat pack on his old road bike, I knew I would have to find him something that was equally stylish as it is practical and efficient. This pack in a size medium looks awesome on his bright red bike and fits a tube, toolset, CO2 cartridge and a couple packs of Gu.

    Perfect size. Nice to be reflective

    • Familiarity: I've put it through the wringer

    I bought the Medium size.

    This fits a bar, tube, co2 setup, lights, gel, and some cash. Perfect size and no quality issues to speak of. Love it so far.

    The perfect size for all the necessities

    • Familiarity: I've put it through the wringer

    This bag is perfect for bringing all the necessities along for the ride. Im able to fit a spare tube, front and rear light, tire leavers and my wallet in this bag. It's nice and light as well. One of my favorite things about this bag though is how easy it is to put on and take off.


    I purchased a medium.

    New saddle bag

    • Familiarity: I've used it several times

    Looks good, easy to use but will it hold up to the Texas heat


      Is very sturdy and like the coloring on it but...will be sending it back as it is soooo small for a medium bag.Will be ordering the large bag in this style.

      The medium is perfect

      • Familiarity: I've used it once or twice and have initial impressions

      Perfect size for a tube and tire lever, arm warmers, and even a phone. Seems to be waterproof and fits nicely.

      Good Fit and Volume

      • Familiarity: I've used it several times

      The medium tucks in nicely under the seat, fitting tools, levers, tube and cell phone, while not being too wide and interfering with pedaling. Snug attachment to the bike without velcro. No problems so far with water getting in while riding in wet conditions, but I haven't taken this through a downpour yet, either.

      Love this bag!

      • Familiarity: I've used it several times

      Everything about it is perfect for me. Very well made, exact right size, and it looks great on my bike! Fast delivery also. I will definitely buy more stuff from these guys. They have really nice bags of all types.

      Flat pack

      • Familiarity: I've put it through the wringer

      When you get a flat this is the pack you want to have on you. I can fit CO2, tube(MTB), chuck, muli-tool, and tire levers.

      Eric Watford - Expert Gearhead

      Flat pack

      Pretty good

      • Familiarity: I've put it through the wringer

      Good: No velcro, good quality. The rear of the bag is a deflector but isn't sewn down on all 4 sides so I clip a tail light in there.
      Bad: The small (which is what I got) is really small so it doesn't fit much in there. Other reviewers will tell you what they fit. I stick a garage opener (no clip) and a key. Not really worried about flats on the roads I frequent.

      I'm not returning the bag because I do like it but if I had to do it again, I'd get a medium.

      Awesome little pack!

      • Familiarity: I've put it through the wringer

      I have now bought two of these. One small pack for myself and one medium size for the wife. The small pack has been perfect to fit the following and it's attachment straps are so good that it's snug into place and I never worry about it:
      - CO2 kit http://www.competitivecyclist.com/innovations-air-chuck-elite-inflator
      - Tube
      - Tire Lever
      I bought the medium for my wife because she likes to stuff other stuff in there like a phone or wind breaker. I would absolutely buy this product again and refer it to my friends.