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Showing posts with label coaster brake. Show all posts
Showing posts with label coaster brake. Show all posts

Monday, August 23, 2010

Abici Granturismo Donna: Maine Impressions

Posted on 7:57 PM by dvdsvdsdv
While in Portland, Maine over the weekend, I rode an Abici bicycle, courtesy of Portland Velocipede. The Co-Habitant and I cycled around town a bit to visit some of our favourite spots from when we lived in the area some time ago. Two things about the city that are of relevance to cyclists: It is hilly, and there are no bike lanes. But not to worry: The hills are short and the lack of bike lanes does not seem to matter. We cycled on the roads, and the biggest obstacle was pedestrian traffic in the waterfront area (It was a Saturday); the cars seemed to be fine with cyclists. At any rate, I felt comfortable enough to get a good impression of the bicycle.

The model I rode was the Abici Granturismo Donna, single speed (also available as a 3-speed), in violet. The colour looks subdued on Abici's website, but in actuality it is highly saturated. I think pastels look good on an Italian bicycle no matter what the colour - though for my personal bike I would prefer something more neutral, like cream or slate gray.

The design of the Abici Granturismo is different from classic Dutch bicycles and English roadsters, but typical of an Italian lady's bicycle. The step-through top tube is asymmetrically curved, with the bend happening toward the rear of the bike, unlike a traditional loop-frame. You can see the same design from a number of Italian manufacturers, including Orco Cicli and Bella Ciao. It is also the design of the "Mrs. Cinelli" bicycle I had admired at the Larz Anderson Bicycle Show. (As an aside, I have tried to research the history of this frame style, but have had no success - so would appreciate any information or tips.)

Both the single speed and the 3-speed versions of the Granturismo model come with a coaster brake and a front caliper brake. The chain is fully enclosed, except for an opening at the rear for easy wheel removal. As far as design goes, the Abici is an appealing bicycle - though a couple of things puzzle me. For example, why was it made with derailleur-style dropouts, if it is designed for internally geared hubs? This is not so much a criticism, as a genuine question. Could it be that they are planning a derailleur version in the future? Also - and this is a minor thing - I was surprised by the lack of headbadge. Is it an intentional act of modesty to place the company's insignia only on a tiny part of the chaincase? If so, it is an interesting concept (but I nonetheless love headbadges!).

Continuing with the scrutiny of the details, here is the seat cluster. This part of the bicycle is beautiful.

Equally well done is the lugged connector between the top tube and downtube. The Abici is gracefully lugged throughout, except...

... yes, except for the welded unicrown fork. The contrast between the wealth of lugwork on other parts of the bike and this fork makes me want to cry. Why Abici, why? I am privy to the wholesale upcharge on lug-crowned forks, and it is not that high.

I know that some of you must be tired of my complaining about unicrown forks, and others might simply not understand what the big deal is, so let me explain my views: If a manufacturer claims to make an elegant, classic, high-end lugged steel bicycle and they go through the trouble of getting the details right and ordering all those complicated lugs, it makes no sense to omit the fork. The fork is a part of the bicycle just like the tubes are, and, in my view, its design ought to match the design of the frame. If the welded unicrown fork is a cost-cutting measure, then why stop there and not make the entire bike welded to match? If you consider this view extreme or unreasonable, then fair enough - but I cannot help my tastes.

Aside from the fork-crown issue, I have no complaints about the Abici Granturismo. On the contrary, handling and riding it was a pleasant surprise, as it was very different from any other city bicycle I had ridden previously. The main thing, is the sporty handling: from the steep-ish angles, to the aggressive sitting position, it handles like a roadbike that happens to be a step-through. It is fast, responsive, and light.

How light? Without exaggeration, it felt like half the weight of a Pashley or a Gazelle. Of course it had no rear rack, no lights, etc., etc. - but even taking that into account, the weight difference is considerable. I could drag a bike like this up and down the front stairs all day without complaining. Of course the downside to a light, sporty bicycle, is that the ride does not feel quite as cushioned as on a humongous Dutch bike or English roadster. So, as they say, choose your poison.

Because of its sporty geometry, I could mostly tackle the Portland hills on the Abici in its single speed - but the 3-speed would have been better. I should also note that it took me a while to get used to the coaster brake on this particular bike (despite being a lover of coaster brakes). Initially it felt counterintuitive, like having a coaster brake on a roadbike: In an aggressive riding position, you just do not expect to be braking in that manner. But the front brake on the Abici worked extremely well. So, just as I would on an actual roadbike, I ended up using mostly the front brake - activating the coaster brake only on occasion, and eventually getting used to its presence.

The Abici Granturismo Donna is a great choice for those looking for a sportier, lighter, more maneuverable step-through bicycle that is still more or less upright and comes with (or can be fitted with) all the trappings necessary for everyday transportation. Be aware that its handling and weight are radically different from that of classic Dutch bicycles and English roadsters, and whether this is a plus or a minus for you depends on your preferences. The price is very reasonable, and I would seriously consider buying the Abici for myself, if it were not for their choice of fork.

Many thanks to Portland Velocipede for loaning out this bicycle.
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Posted in coaster brake, Italian bicycles, skirt, test rides | No comments

Friday, August 13, 2010

Coaster Brakes: Yay or Nay?

Posted on 8:47 PM by dvdsvdsdv
I love coster brakes on upright city bicycles and for me this feature is pretty much a must. But I am also aware that not everyone feels the same. So when I am asked whether I think a coaster brake is "better", I can respond only by outlining the pros and cons, as I see them. In short, here is my take on the coaster brake:

What is a coaster brake?
A coaster brake is a rear brake on a bicycle that is activated by pedaling backwards. If you want to slow down, simply start to push the pedals backward instead of forward with your feet. The harder you push back, the more braking power is applied. This type of brake is common in upright city bicycles, and it is usually (but not always) supplemented with a front hand-operated brake. The coaster brake is internal and lives in the hub of the rear wheel, rarely requiring maintenance or adjustments.

Why I love coaster brakes:
. I find that coaster brakes deliver softer (no sudden jolts), smoother, and more consistent stopping power in city traffic
. I like to have one hand free in traffic, so that I can signal while braking
. I find it easier to modulate coaster brakes at finer increments without totally losing momentum
. I have problems with the nerves in my hands, and find it painful to use hand-operated brake levers frequently (like in stop-and-go traffic)
. I find coaster brakes intuitive and stress-free to use: it makes sense to both accelerate and slow down with my feet
. I like it that coaster brakes require virtually zero maintenance or adjustments

Why some dislike coaster brakes:
. They find the act of backpedaling confusing or counterintuitive
. They find it inconvenient that with a coaster brake, you cannot bring the pedal back into starting position in the same way as on a non-coaster brake bike
. They feel that a coaster brake does not provide sufficiently strong braking power
. They lack the leg strength to activate the coaster brake (or have problems with their legs or knees that prevent them from doing so)

I should also add that coaster brakes make sense only on upright city bicycles. Using them on a roadbike would be tricky, because of the speed and the leaned-over position (though I do know of some who have tried, just for fun).

If you have never tried a coaster brake, there is no way to know whether it's right for you until you test ride a bicycle fitted with one. When I tell anti-coasterbrakites that I love coaster brakes, their response is usually "Oh, but I bet that's because you got used to riding a bike like that when you were a kid." Not true: The first time I tried a coaster brake bicycle was in April 2009. It was love at first backpedal!

How do you feel about coaster brakes, and why? I am sure all feedback will be useful to those wondering about this braking system.
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Posted in coaster brake | No comments

Thursday, August 12, 2010

Gazelle, My Belle!

Posted on 9:29 AM by dvdsvdsdv
With my Pashley Princess having transitioned to a new home, it is time to ring in a new era.

This is my new friend, as well as the reason the Pashley has left me: an older Gazelle I unexpectedly acquired last week. 

This Gazelle is most likely from the mid-to-late 1990s (which, frightening to think, was 15 years ago!). It was made in Holland, purchased in Germany, and brought to the US some time ago by the previous owner. It feels like a modern bike, but handles similarly to a vintage Raleigh DL-1. After riding it for several days, it became clear that it suited me better than either my Pashley or my vintage Raleigh, because it combined my favourite features of both. Thus, the Pashley was set free, and the vintage Raleigh was moved to our photo studio (to replace the Mercier mixte, which has been set free as well). The decision was swift and ruthless, as I did not want to dwell on it too much. The Gazelle is not quite as elegant as the Pashley and not as rare as the vintage Raleigh - but as a transportation bicycle it just suits me better.

This Gazelle is the A-Touren model, which I believe is the predecessor of what is now the Toer Populair. It looks similar to the Toer Populair, but comes with a coaster brake (yes!) and front drum brake, whereas the current model has rod-activated brakes.  

This bicycle is enormous. The frame is 57cm (22.5") with 28" wheels and wide tires, and I am just barely tall enough to get on and off comfortably. In fact, I had to remove the original saddle (which had monstrously huge springs) and borrow the flatter Brooks B18 from my vintage Raleigh in order to ride it. But that is fine with me, as the large frame feels very comfortable. 

Indeed, the enormousness of the bicycle seems to be an asset while cycling. Riding this Gazelle feels like sailing a ship - a huge and initially unwieldy ship that surprises you with its agility and power to accelerate once it is in motion. It sails through flat stretches and then glides uphill once you get it going,  seemingly on its own accord. To be sure, it is a dauntingly heavy bike  - but I do not feel the weight once I am in motion, and it does not pull me backwards when stopped at hill-top intersections. 

Everything in the pictures is native to the bicycle, except for the saddle, the pannier, and the coiled cable lock on the rear rack. It has a (Sachs) 3-speed coaster brake hub that works perfectly, and the gearing is just right for me. The front drum brake is activated by a lever mounted on the right handlebar. The headlight and tail light are bottle-dynamo activated. They work nicely, but eventually we might rig up a system to make the headlight brighter. The fenders, full (vinyl) chaincase and solid (vinyl) dressguards are in excellent condition. The rear fender has not only the white edging, but also the matching Spanniga tail light I so love that was specifically designed for these. The rear rack is enormous and sturdy. It is the only part of the bicycle that shows signs of wear - a small patch of rust where some paint got scraped off. 

What I love about older Gazelle bicycles, is the overwhelming amount of proprietary insignia with a gorgeous Art Nouveu feel to it. This is the headbadge. 

And a tiny badge underneath the tail light. Who does that anymore? 

Tiny gazelles embossed onto the chrome on the flat fork crown! 

A gazelle on the front fender!

A gazelle on the stem bolt.

Even a gazelle on the kickstand bolt! And of course you already saw the gazelle on the bell in the first picture.

Another design feature I love about this bicycle, is the lugged connector between the downtube and the curved toptube. Most manufacturers no longer do this, and I do not remember whether the current production Gazelle frames are still made this way. Anybody have one handy to check? It would have to be a post-2006 model, which is when I think they changed production methods. 

I hope you enjoyed this introduction to my new-to-me bicycle, and I will write more as I get to know her better.  I do not see myself making too many adjustments to this bike, other than eventually replacing the tires with cream Schwalbe Delta Cruisers and maybe getting some nicer grips. I don't think the absence of my Pashley has fully sunk in yet, but I am pleased about the home she went to - they are a beautiful match. Hopefully, I have now met my match as well! Now, to think of a name...
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Posted in coaster brake, Gazelle, loop frame, skirt | No comments

Wednesday, July 14, 2010

Braking: Not Always Your Friend

Posted on 6:30 PM by dvdsvdsdv
The other day I was cycling on a busy road where the city has recently installed those raised-platform intersections to make the cars slow down before crosswalks. Ahead of me, I saw a cyclist brake just as she entered the intersection - probably hoping to reduce the impact of the bump. Watching her, I somehow knew what was going to happen next and winced. And then it happened: As her wheel hit the raised platform, her bicycle flipped over, and she with it. All this occurred at a slow enough speed, so that she wasn't hurt and was soon back on the bike. But I suspect that she has no idea why the fall happened, which means that it might happen to her again.

To me, it has always seemed self-evident that it is "bad" to brake while going over bumps, and watching the cyclist's fall confirmed that. But were there actually any facts behind this belief? I got home and looked it up, stumbling upon Sheldon Brown's explanation.
Bumpy surfaces. On rough surfaces, your wheels may actually bounce up into the air. If there is a chance of this, don't use the front brake. If you apply the front brake while the wheel is airborne, it will stop, and coming down on a stopped front wheel is a Very Bad Thing.
Okay, that makes sense. It has also since been pointed out to me that braking transfers the weight of the bicycle forward, so braking on the bump drives the front wheel right into it. Makes sense as well. So, we essentially have two forces working against us when braking over a bump.

When we find ourselves hurdling towards an obstacle n the road that we cannot avoid, naturally the reflex is to slow down. But this should be done before going over the said obstacle, not during. Braking is your friend, but only when done correctly (brake before the bump, then release before going over it). I would also venture to say that most casual cyclists who use handbrakes do not differentiate between front and rear.

Of course, this is just one more reason why I love coaster brakes for cycling in the city. If you're used to braking with a coaster brake in order to slow down, you do not rely on the front brake as much and are not likely to squeeze it while going over a bump. I know that some will not agree with me on that one, but that is how I see it, and the coaster brake has been a reliable ally for me in pothole-ridden Boston Metro.
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Posted in coaster brake, loop frame, technique, urban cycling | No comments

Monday, July 12, 2010

Coaster Roadster!

Posted on 12:41 PM by dvdsvdsdv
Behold my beloved Raleigh DL-1 Lady Tourist! Lovely as usual, is she not?

Ah, but some things about her are not at all "as usual". Can you tell that the lady has had major surgery? Probably not, and that's the beauty of it; her classic roadster features have been left intact.

But oh, what's this here? Why yes, it's a Sturmey-Archer S3C coaster brake hub! And with it, the bicycle has been magically transformed to an unmatched state of fabulousity.

For those unfamiliar with the saga: The Raleigh DL-1 is basically the holy grail of vintage "Roadsters," particularly the lady's loop frame. These bicycles are elegant, comfortable and surprisingly fast. There is only one tragic drawback: They were made with rod brakes, which is a braking system that is not the greatest even in dry weather, and completely ineffective in the rain. I got my DL-1 last summer and it has been my preferred bicycle ever since, despite the poor braking power. Still, I hoped that someday a conversion to a more effective braking system would make it perfect. Imagine my elation that this day has come!

If you are wondering how we did this, I will first say that it is definitely a "don't try this at home" project unless you are mechanically inclined, or have a spouse who is. But to summarise: You will need to get a 3-speed coaster brake hub and to have a new wheel built around it. You cannot put the coaster brake hub in the old wheel, because these hubs were designed for a different number of spokes. If you are planning to keep the original rod brakes (which you have to, unless you want to replace the handlebars), the new wheel needs to have a 28" rod-brake rim. These are distinct from regular rims, in that they have a special notch for the rod brake pads to grip. Yellow Jersey sells these rims, and they can also build you the wheel if you send them the coaster brake hub.

And that is what we did: I got the hub from an acquaintance who happened to have one (and who sent this monogrammed reaction arm clamp to go with it!), and had the wheel built by Yellow Jersey. Upon receiving the new wheel in the mail, we stayed up half the night attaching it to the bike. There are various little nuances that made it, shall we say, challenging - but it is doable. I will post a more detailed account on Boston Retro Wheelmen soon; for now I still have PTSD from the process. But let's be frank: A mild case of PTSD is a small sacrifice for the miracle of a secret coaster brake on a classic rod-brake roadster!

After the coaster-brake wheel installation, I spent the following day riding the bike everywhere; it was difficult to get me off of it! I tried hills, high-traffic routes, bridges - all kinds of situation where the brakes would be put to the test. I even got stuck in the pouring rain on my way home from downtown Boston - which was not intentional, but perfectly timed for testing the brakes in wet weather. If you've been reading this blog, you know I like coaster brakes, and this one performs fantastically. Upon back-pedaling, it comes to a soft (non-jolting) but reliable stop, making hand braking completely unnecessary, other than for preventing the bicycle from rolling when stopped at a traffic light. One funny thing about this hub, is that it is very-very loud: a steady ticking noise when pedaling, amplified tenfold when coasting. Well, at least they can hear me approach!

It did not take me long to get used to the DL-1 having a coaster brake and to adapt my braking patterns accordingly. With the rod brakes, I used to plan my stops in advance and I feared rain. Now I am free from worrying about such things and can fully enjoy this wonderful bicycle. There are other ways of installing effective brakes on the DL-1, like attaching the rods to a rollerbrake hub or replacing the whole rod system with standard brakes and conventional handlebars. But I chose the coaster brake, both because I like the system in itself, and because it allowed me to preserve everything about this bicycle exactly as it was - making it my very own Coaster Roadster.
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Posted in coaster brake, DIY, DL-1, loop frame, restoration, rod brakes, Velouria, vintage | No comments
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