A wrench that fits the hub nuts:   If your bike has quick release front and rear wheels, you don’t need this, but if you have an internal hub on the back, such as the NuVinci, a wrench that fits is a great idea.  99% of the time, this is a 15mm wrench, but you should check your bike.   A 6 inch adjustable wrench can also work, but it will be heavier, and when using an adjustable wrench, you do need to take more care to not round over the nuts.   A fixed wrench is the best choice.    Some multi-tools have a 15 mm wrench built in, but again, if you have limited hand strength, something with more leverage is a great idea.
Man, if you're starting out and you know you'll need several components for a bag... just get this. It will save you so much time picking everything out that even if you balk at the price (amazing value, by the way) I bet that if you did the math using your hourly wage and the time spent picking everything out and making sure it fits... you'd save a lot of money and a lot of irritation if you just got this. Just get this.
Keychain style flashlight or headlamp, LED type, not incandescent:   The keychain style is tiny and lightweight, the headlamp style is a bit bulkier but easier to use.    You can get these for a couple of bucks or less at the local big box hardware store.  The LED ones are lighter, more durable and last considerably longer.   Very useful if you need to make a repair after dark!  I keep a keychain style one as a backup as I normally have a headlamp in my backpack.
There are two major types of headset- older, threaded headsets that have a quill that drops into the stem of the fork creating an interference connection, and newer threadless headsets that the stem is bolted and clamped on to. Flat handle bars are preferred by off road cyclists who can ride in a more upright postion whilst still having the controls at their fingertips, whereas drop handlebars offer more cycling positions and are favoured by road cyclists who typically spend more time in the saddle. The controls attached to the different styles of bar are operated and maintained in different ways.
As you mentioned, it is surprising how often you can get multiple flat tires on while riding, particularly on longer sprints. The tip about bringing a patch kit in your bike repair kit can be incredibly helpful if you’ve already had one flat tire. I agree that all you listed seems like an awful lot to carry, but it’s always better to be safe than sorry, isn’t it?
A multitool is a highly versatile piece of repair equipment that can address most of your maintenance needs. Ideally, you should use it before a ride to tighten and adjust everything properly, but sometimes it’s necessary on a ride as well. If you encounter a loose screw, realize your saddle height is not right, or that your brakes need tightening, you will be happy to have it.

Otherwise, this tool should serve the average commuter well. Specifically, we think you’ll find the size 4, 5, and 6 hex keys, extremely common sizes in bicycles, very helpful. They’ll adjust seat-post heights or let you remove the saddle entirely, or tighten a loose stem that’s always rattling apart. The Phillips head will tighten loose bolts on shoe cleats or the rear derailleur. The most common use for the torx would be adjusting disc brakes if you have ’em.
Where to begin?! Long story made somewhat short. I bookmarked this place because I saw their dog Kaya and was sold. Lol. But they had 5 stars too so that helped. Amazing people. Very down-to-earth. Took the bikes down the path to Discovery Park. If you're in-shape and do mild cardio, then it should be an ok ride. I don't do cardio and I found myself trying to sell my soul like 15 times just to get to the top of some hills. Lol. Made it to the Ballard locks and actually got to see a boat pass through! This is the off-season so not much boat traffic. Steve, an engineer we met there, said peak time will start in May. Ate lunch at Ann's in Ballard. Delish shrimp sate! I busted my tire in a pothole and had to make a trip to REI. Which wasn't awful because we wanted to go there anyway. The city was tough to ride in at 5:00pm and we rode the sidewalk most of the way back due to the congestion. Some pedestrians are obvious to you and I almost ran over a few people.. By choice. Lol. Made it back right before they closed at 6:00pm. Easy peasy! Notes: Take some water. Take some pictures. The ride is beautiful so don't rush through. Get there before noon to give yourself some time to cruise.
We offer several bicycle repair packages, or individual services in the case that you don’t need a full “tune-up”. Whether it’s a small brake adjustment or a complete bike overhaul, we’re happy to help. Our highly experienced staff is here to answer any questions you may have and will help get you and your bike back on the road as quickly as possible.
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