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Category: Products

Thudbuster Seatpost First/Second Impressions

Posted by Jeremy Yang On February - 24 - 2007

Thudbuster (Website)

Originally Moe had the Thudbuster LT to test but he is currently in the process of selling his hardtail so I’ve been getting in some seat-time on it, literally. For those of you who are not familiar with the device, the Thudbuster is a suspension seatpost that gives about 3 inches of cushion.

When I first got it from Moe, I spent some time determining which elastomers to use for my weight. Because I was without the manual (RL had it in his garage), it took me a bit of time to figure out that the black/black setup would work best for me. But even without the manual, I was able to replace the elastomers easily because the suspension is pretty straight forward.

I’ve been riding the Thudbuster for a little over a week now and I have to admit that it has been an extremely welcome addition to my 29er hardtail. Here are some of my quick first impressions:

- The extra weight is not noticeable.
- It takes the chatter out of a hardtail ride and allows me to sit during parts of my ride I normally would have to stand.
- It easily adjusts to your weight by using different elastomers.
- It’s also easy to set your preferred seat angle.
- I think it looks cool, not dorky as some purists might think.
- The Lizard Skins cover does a good job of keeping the Thudbuster clean.

Thudbuster Covered
Thudbuster on a ride at El Moro, CA

A more thorough review will be written as I spend more time on the Thudbuster. In the meantime here is some information from the Thudbuster website:

* 3″ of ultra-plush travel
* Only 565-585 grams (610 grams or 4XL)
* 1-year warranty
* Unique US Patented design
* New CNC-machined aluminum alloy linkage
* New 1-piece forged tube and receptor
* New larger-diameter stainless-steel pivot pins
* New Teflon® coated pivot bushings
* New super-strong, twin-bolt, micro-adjust saddle clamp
* Complete 6-piece Double Barrel elastomer kit
* Illustrated installation and tuning guide
* Choice of tubing diameters

Check it out here and keep checking back for the full review.

Popularity: 6% [?]

Review: Optic Nerve Savant

Posted by Jeremy Yang On February - 15 - 2007

I’ve been riding with the Optic Nerve Savant Fade Carbon glasses for about a month. MSRP: $59.00. You can find it on their website under the link “Collection 2007″ and then from the menu on the left select “Interchangeableâ€?. Savant is on the first row, middle.

When I’m reviewing sunglasses with interchangeable lens, I’m looking for three things in this order of importance:

1. Performance: do the lens perform the way they are supposed to perform?
2. Looks: do I have to explain this one? They have to LOOK good on me
3. Ease of use: no, not how easy are they to put on. Are the lens easy to change out? Yes, I admit it. I value the look of the glasses over the ease of use. My theory is if they don’t look good, who cares if they’re easy to use I’m not wearing them.

Here is how the Optic Nerve Savant performed under this criteria:

Performance:

I used every lens that Optic Nerve sent with the Savant in different lighting conditions and they all performed great.

For night riding, my main concern is if the lens reflects a glare off my handlebar mounted LED. Some interchangeable lens glasses do reflect this annoying glare and some do not. The Savant’s clear lens did not reflect the annoying glare. Therefore, in my book, the Savant’s clear lens performed fine at night.

Clear Lens
Brian & Jeremy using Clear lens after night ride

I got a chance to use the copper lens when I went on an impromptu family vacation to the local Southern California mountains. We decided to go inner tubing on the slopes from about 10am to past noon. Although I was not biking I was playing in snow for 2+ hours and during that time my eyes felt great. They did not feel fatigued from the constant reflection of light off the snow. The copper lens felt like I was wearing the smoke dark lens but still getting a contrast to see things in snow/highly reflective conditions. I would seriously considered using this lens for some of the snowboarding and skiing I do as well.

Copper Lens
Jeremy & son inner tubing in the snow using Copper lens

Over the past 4 weeks, many of my rides were in the early morning starting just before dawn and lasting for an hour or so. During these times I used the high definition orange lens extensively and they are unequivically the best orange lens I have ever used. The orange lens ability to separate colors during the early morning when colors are flat is amazing. These lens allowed me to see trail nuances that I probably would have missed. The orange lens lives up to its “high definition” name.

High Definition Orange Lens
Self picture, on bike using High Definition Orange lens at dawn

The smoke dark lens excelled during my bright lighting riding. I probably used this lens the most because I used them beyond riding. I used them extensively while driving and attending daytime events and they were great the whole time.

Dark Smoke Lens
Daytime ride using Dark Smoke lens

Lastly under performance, is if the glasses fog up and how often. I have found that all sunglasses fog up; no matter what I’ve tried (Ray Ban’s, generic, Oakley’s, Performance). For me the most important factor is WHEN they fog up. I don’t mind if they fog up when it’s cold and I stop to take a breather, actually I expect them to. If they don’t there is something physiologically wrong with me like I’m not sweating. It’s when they fog up when they shouldn’t that annoys me.

The Savants, like all other sunglasses, fogged up. But the Savant only did so during the times I expected them to. That’s cool with me and because all sunglasses fog up, it does not go down as a con.

Looks:
In my opinion, the sunglasses look cool all by themselves on the table, but they also looked fine on me (this is VERY subjective). I did however like them enough to wear them when I wasn’t biking. I guess that has to say something, right?

Los Angeles' Asian American Expo
Jeremy & god-daughter at Los Angeles’ Asian American Expo using smoke dark lens

Ease of use:
The lens popped into and out of the glasses very easily. The zip case was effective in keeping the glasses safe from harms way (especially since the case is stiff all the way around) and I liked the cool blue cloth provided by Optic Nerve.

Optic Nerve Case
Optic Nerve Case

If I had one negative about the product it is that I wish Optic Nerve would provide directions with how to take out/put in the lens. I checked their site, but no directions were available. I also emailed Optic Nerve and requested directions but they were having problems with their server & didn’t get my email until a couple of days later. They contacted me via phone and asked for my address to send me the directions but that’s ok as I’ve figured out how to change the lenses.

Pros:
- lens performed great, especially high definition orange
- easy to change out lens
- nice blue cloth to clean lens
- sturdy zip close case

Cons:
- should have directions to change lens with product or on website

Optic Nerve Savant w/Smoke Dark Lens
Optic Nerve Savant Sunglasses with Smoke Dark Lens

Check out these sweet glasses at here: Optic Nerve Savant Fade Carbon. I highly recommend them.

Popularity: 5% [?]

Bigger than a 29er?

Posted by Jeremy Yang On February - 13 - 2007

I just finished reading an interesting thread on the MTBR forum. The author was working on a mountain bike with 36″ tires! Check it out here.

My first thought was “Why go that big when the 26 or 29 inch bike works fine?”. But then I stopped myself and realized that my thoughts are the same thoughts most 26 inch bikers have when the 29 inch bike was introduced. So, with a more objective mind, I decided to read about the 36 inch bike.

As with any increase in bike tire diameter, you are going to gain some major benefits in keeping momentum & rollover ability. The trade off is weight and fit (as in ability to fit people).

Most of these have been mentioned before in the 29er advantages/disadvantages so we won’t rehash those. But something interesting to note is that as the wheel diameter gets bigger, the more funky the geometry has to be and the less people it will fit.

The geometry numbers posted:

Wheelbase: 46 inches.
Weight: 36 lbs, (with full Surly flask and holder!)
Chainstay length: 520 mm
Drivetrain: 3 X 6, 20-90 gear inches
Standover height: 30.5 inches
Top tube length: 24.5 inches

To me, the chainstay length jumps out. The new Ibex Section 29 has a chainstay length of 17.7″ compared to 520 mm (20.47″), the Section 29′s chainstay is small. Of course bigger tires are going to equal larger chainstay length.

But the number that surprises me for being quite normal is the 36er’s Standover height. Although a standover height of 30.5″ pretty much limits this bike to riders over 6’2″ tall, I was suprised that they were able to build a frame with that low of a standover height to begin with. After all, we’re talking about a bike whose wheels are a full 10″ larger than a 26 inch mountain bike.

Another number that is almost normal, is the wheelbase. A 46″ wheelbase is pretty big, but if you think about it, it’s not really all that much out of the norm. An XL Gary Fisher 29er has a 44.27″ wheelbase while a XL Niner bikes R.I.P. 9 is 45.5″. It’s not that much of a “stretch” to get to the 46″.

So maybe the geometry is not too funky.

Before I become too technical about this, I have to remember that what really matters when mountain biking is the enjoyment derived from it. Some derive joy from climbing, some from descending, some from being able to roll over cars with ease. And if the 36er provides lots of enjoyment, then that’s a good bike. For me it would be a cool bike to have in the stable for those days you want to cruise around the neighborhood/park/trail/beach and surprise people!

Good luck benwitt1 1 and keep the updates coming.

Popularity: 7% [?]

Review: Fezzari Alta Peak UPDATE

Posted by Jeremy Yang On February - 9 - 2007

Earlier this week, RL & I spent some time tweaking the Alta Peak to fit my dimensions. We initially tried to install a longer stem, but we were missing a headset spacer, so we scrapped that idea.

We then spent some time tweaking the air pressure in the rear shock to minimize pedal bob & adjust the front fork to better fit my weight. These minor adjustment paid off nicely.

Where once I felt minimal pedal bob I now find virtually no pedal bob. When I climb, no bob. When I hammer, no bob. Pedal bob has disappeared to the point that I didn’t lock out the shock on any of my climbs.

Ario 2.2
This simple fix was completed rather quickly with the use of RL’s shock pump. You just find the cap on the shock, unscrew it, put the pump on and pump or release air until desired air pressure is achieved.

We also spent some time fiddling with the front fork. This change was less dramatic but helpful as well. Because RL previously rode this bike, the fork was a bit soft for my tastes. I noticed this when I was climbing on a previous ride. During the climbs, I had the feeling that the front end wanted to lift up. I originally attributed this phemomenon to bike geometry and the fact that the bike was a little too small for me. But after fiddling with the fork, the front end of the bike felt much more planted, even during my climbs. It might not hae been just a size issue afterall.

I guess the moral of this post is that getting your bike fit to you will help you to maximize the abilities of the bike as well as your comfort on the bike. Not doing so can leave you feeling unsure and uncomfortable.

Popularity: 1% [?]

Evomo DH Descent

Posted by Jeremy Yang On February - 8 - 2007

I got an Evomo t-shirt today. The DH Descent fits me quite nicely. Some shots for your viewing (I’d add “viewing pleasure” but my mug isn’t a “pleasure” for most people, the t-shirt is though).

Evomo DH Descent on Jeremy

Graphics are understated & nice

DH Descent Graphic

Cool sleeve Action

DH Descent Sleeve

Good quality stuff. Check out more at Evomo.

Popularity: 1% [?]

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