Knog N.E.R.D. 12 function cyclocomputer
Knog N.E.R.D. 12 function cyclocomputer

Just got one of these, finished a 26 mi double tarck century on it today. Worked great!
Initial impressions: Pro
- Very easy to install - just like their lights, you just wrap the silicone housings around the fork leg and your handlebar or stem, install the spoke magnet, and you're done.
- Easy setup - there are only two buttons and it's pretty intuitive how to get the thing configured. Instruction manual is well written and easy to follow in this regard, too
- Easy to re-orient the display relative to the housing - it's square and can be rotated a full 360* (in 90* increments) to suit whether you want to install on your handlebars or stem. Cool feature and good design think-through on Knog's part.
- Animated/scrolling display is pretty cool and not distracting at all (how much do you /really/ stare at your computer while riding anyways?). Refresh/update time is pretty quick, faster than my Vetta 88 I believe
- Backlight feature is cool - this was a big selling point for me. Not overly bright but you don't want it to be, because then you'd be blinded. Plenty legible in the dark though
- Support for tracking two bikes
Initial Impressions: Con
- Clock is not visible in all screens, so you have to page through to either the main clock display (which then shows only clock & current speed) or else the "Scan" mode which cycles through all the various readouts. Not that big of deal unless you are worried about getting somewhere at a specific time.
- Have not had this issue yet, but seems like it could be fairly easy to accidentally reset the running totals (avg speed/time/distance) during a ride - you only have to hold the main button (pressing the face down) for 2 seconds in an appropriate screen, could happen accidentally I think, especially when tired. TBD.
- Because of the ease of mounting, you definitely need to remember to remove the computer whenever you park to avoid it getting stolen. Might not be a bad idea to take the sensor too, but that could be a bit obsessive on my part.
I will update this after I've used it longer. Overall I'm quite pleased so far.
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SHUT UP AND GRIND - DinoCat


Nice, I was wondering how good these things are. Might have to pick one up.
I had a 9 function that I got at interbike lasy year; it was great. Sold it, made $10 profit, and spent an extra $10 to get the 12. I really enjoy this computer. The backlight is priceless. I've never reset the computer during a ride, but while leaning over the bars fidgiting with my brake, I reset it. But no big deal now because of the distance/day. That function is also great if you reset you trip distance like i do when i get to work/home from work.
"ask what you can do for tarck, not what tarck can do for you" Jacques
i don't think this is odd. all the comps i've had (all cateyes) only show the clock on one page and no scan mode. i've dealt with it, but the scan mode seems like something i'd like a lot. i think i'll have to pick up one of these up.
When faced with the gnar, you shred -DangerScott
I got this and while I really like it, I need to point out that the sensor part is kinda bulky, due to having the battery in it, and the screen is maybe bit slow, probably because of those fancy animations. But yeah, IMHO it's nice and does the job.
FWIW, compared with my Vetta 88 which is also wireless, the sensor on the fork is roughly the same size and the update lag (between when your speed changes and when the screen updates) is about the same.
Also, my concern about accidentally re-setting things seems to be a non-issue.
One thing I should note is that the screen is not white numbers on a black background as shown in the photo above, in reality it's the more normal LCD look with black numbers on a green/beige background:
SHUT UP AND GRIND - DinoCat
and the backlight is blue!
"ask what you can do for tarck, not what tarck can do for you" Jacques
Been using mine a lot. It is terribly bulky and pretty damn ugly, but works well.
put the spurs to her.
does it have cadence?
EivlEvo said: "something gives me the idea that artblur knows how to fucking party." Pharaoh said: "Artblur. Breakdances on bikes and doesn't afraid of anything."
No.
put the spurs to her.
i just got it the past week, its works exactly as advertised. couldn't be happier with it.
$55 shipped on Bike Island right now.
put the spurs to her.
I have had experience with one that would not save the time setting and had to be sent back. Bad luck maybe?
How is battery life?
Just replaced the main battery on mine a few weeks ago and now the transmitter battery needs to be replaced. I find that the batteries that ship with Knog products are pretty used up by the time you get them and have to be replaced pretty soon, but after that the battery life is OK. We'll see.
I'm happy with this thing overall, the only complaint is that the "Total Trip Time" is total moving time since last reset, somehow I thought it was truly total time (like a stopwatch). As such it's not as useful for the intended purpose (brevet riding) as I've still got to keep track of my overall time (and true overall average speed) separately. I misunderstood the marketing material (i.e. read into it what I wanted to find). Not a dealbraker for most people I'm sure.
SHUT UP AND GRIND - DinoCat
I have had one since the summer and like it enough I even bought another one recently. The other thing I really liked about it is being able to set it for two different tire sizes. My road and track bikes all run the same 700x23 tires and my commuter/touring/whatev bikes all run the same 700x32 tires so I can use the same computer for almost all of my bikes. With the quick on and off of the Knog I can move a computer from bike to bike faster than I can air up a single tire. The way you can turn the display in regard to the mount is great for mounting on the them to free up handlebar real estate. With my upcoming plans to do a brevet event the Kong will be mounted on the stem as a back up for the Garmin GPS Vista that will be on the handlebars.
Bike stuff for sale My personal bike "collection"
My NERD 12 partially crapped out on me about mile 110 of my 140mi ride yesterday. It got stuck on the average speed screen and wouldn't change when the main button was pressed. The big speed indicator numbers still worked, as did the relative speed bar graph. So not a total failure, but considering I could no longer see anything except the screen I was on, I was bummed.
This was after about 60mi of riding in the rain, including some really heavy downpour for about 20min or so. Guess by "100% waterproof" they don't mean "torrential downpour approved."
When I pulled the computer part out of the silicon mount, I saw there were some small puddles of water in there. And water was leaking out of the main button. No bueno, dude!
I've pulled the battery out and am going to let it air dry. Should hopefully be fine in a day or so. But does not bode well for future wet brevet use... like if I really needed to keep track of miles between turns on an unfamiliar route, at night, when I'm exhausted.
SHUT UP AND GRIND - DinoCat
throw it in a bowl of rice for a few days. my sister did that with her phone and the rice absorbed all the water
phone still works!
we don't own a clown statue
Do these still do graphic readouts of current vs avg speed?
Kent SS Shogun fixie/ss/polo/track/tt/big drop/ trials Nishiki Altron 7000 Cannondale full crapynolo
This vs. CatEye Strada Wireless?
Strada is nice but has a few issues.
1. auto start only. So after a long ride, it only tells you your time while you were actually moving, excluding time at stop lights and such.
2. Easy to accidentally clear your info. Leaning on it for a few seconds kills all your data. Especially a problem if you mount it on your stem.
tarckbike- where mile 11 means you're on a long ride. ~snarcky varcking
Thanks. Hmm, same issues as the Knog. The lack of a stop-watch function is bothersome, but I don't know of any similar comps that do have this.
Stalemate.