Questions tagged [recumbent]

A recumbent is a bicycle (or tricycle) that places the rider in a laid-back reclining position.

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2
votes
1answer
79 views

DIY “recumbent” trainer

I have some back issues and my doctor recommended to use a bike with a chair instead of a seat post. I have a old bike that I used for a trainer. I plan to cut the front part of it, turn the ...
23
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22answers
31k views

Is a recumbent trike faster than a non-recumbent bicycle?

I am seriously considering getting a recumbent trike, probably one in a tadpole configuration, and was weighting up how much time I would save during my commute when compared to my normal bike. ...
1
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1answer
49 views

Calculate suspension oil needed for a fork?

I've got a non-standard 20" air fork (Mekkem SASO) that could use some maintenance, but there's zero info I can find from either the manufacturer or OEM on oil viscosity, volume, or anything else. I'...
5
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5answers
4k views

Why are recumbent bicycles and velomobiles illegal in UCI bicycle racing?

As stated in the title. However, the "superman" position is also illegal, and the question applies to that as well. Motor racing will often lean on safety to explain why there are so many limitations ...
5
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1answer
3k views

Are Velomobiles street legal in the UK?

I saw a question about velomobiles and recumbent bikes and I was wondering if they were street legal in the UK? Can you ride one on a cycle path or would you have to stick to roads?
34
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16answers
10k views

How to keep my testicles from freezing on a recumbent

I wonder how to keep my testicles (plus part of the perineum) from freezing. I ride a recumbent, which is making it worse because it exposes those parts to the wind much more and I use unpadded tights ...
3
votes
1answer
92 views

Are high racers safer due to enhanced visibility compared to low racers or classic recumbents?

Naively, I would expect that a high racer is safer in traffic than a low racer. With the rider higher up, she or he should be more visible compared to being closer to the ground. Considering that ...
2
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1answer
72 views

Are ultra high racers available commercially?

In the Hessian woods today I saw a recumbent where the rider was positioned very high; his entire body was higher than any of the wheels. In this position, he was at least as visible as an rider on ...
12
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8answers
3k views

Why are recumbents so slow uphill?

I've ridden a recumbent a few times and noticed that going uphill is very, very slow. Given that recumbents are supposed to be more efficient than diamond frame bicycles, why are they so darn slow ...
13
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3answers
1k views

How to start riding a recumbent bike?

I want to try riding a recumbent two-wheel bike to see if its easier. So I borrowed one and I just cannot get it to work right. When the owner demonstrates it looks so easy and really fast. We are ...
6
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3answers
1k views

What is the drag / power lost to a safety flag?

I have a recumbent bike that has a safety flag on the top of a thin pole, so it flutters around higher than and after my head. How much power am I losing to this flag that could be used to power my ...
10
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4answers
3k views

How can a recumbent tadpole trike brake three wheels with only two levers?

So this is probably a terrible idea, but I was looking at recumbent tadpoles recently and it just clicked. I would have two brake levers but three wheels. I would need to have to... 1.) Calibrate the ...
1
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1answer
114 views

How to secure the fork when there is no stem

On my half recumbent tandem, there is no stem on the front steerer tube. I would like to change the upper cup of the headset (related question Play in headset with no upper bearings on a tandem ...
4
votes
2answers
186 views

Trainer for recumbent bikes

I've been thinking about getting a trainer for my M5 CHR. Wahoo Kickr seemms nice, but they do not recommend it for use with recumbent bikes. Is it just because they lack the experience or would it be ...
2
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1answer
1k views

What is the optimum location / offset of a derailleur hanger vs axle?

In my particular case, I would quite likely be using something like a GoatLink so I can use an 11-40t or 11-42t cassette on a home-built recumbent tadpole trike (so, single rear wheel). I'd like to ...
5
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2answers
306 views

Ackermann compensation for tadpole trikes- how to work Peter Eland's spreadsheets

I am building tadpoles trike with "dual crossed drag link" type steering, and having been using the spreadsheets below to get the Ackermann compensation right. I am however not really sure how to get ...
3
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1answer
71 views

Tadpole Recumbent Bike Correct Fairing Position

What is the correct fairing position for a tadpole recumbent trike? I have a HP Gekko 26 with a Streamer fairing. Should the fairing be as far forward or as close to my pedal range as possible? ...
2
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1answer
982 views

EZ-1 Super Cruiser Weight limit

I am trying to find out what the weight limit is on the EZ-1 Super Cruiser. I have found a used one in great condition, but I am 319 pounds, so do not know if it would be a good option or not.
6
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5answers
4k views

Fairings for an Upright Hybrid Bicycle?

Do front fairings have an advantage for upright bicycles? There are fairings for recumbent bicycles such as this Zipper one: I wanted to know if anybody has experienced increase in speed/reduction ...
8
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2answers
392 views

How to fix ripped out ball joint in indirect under seat steering recumbent

There are two ball joints involved in the steering mechanism of my under seat steering recumbent. One of them ripped out of its socket: The dirty grey-green part inside the end of the bar is made of ...
2
votes
1answer
71 views

Are coarse 3D mesh seat pads effective at keeping your butt cool on a recumbent?

The seat of my recumbent has a taut 2D mesh back which is quite good at letting sweat through. That can't be said about the ordinary foam pad supporting the ass. There are special "foam" pads which ...
14
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6answers
3k views

How do you lock your recumbent?

I have a pair of recumbents and I have difficulties locking them safely when I have to park them in the street for long period of time. The conventional wisdom is to use a U-lock to attach the frame ...
7
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4answers
416 views

Would a recumbent bike be allowed at an ultra endurance event? & Why is no one using one?

When I look at ultra-endurance races, for example, https://www.transcontinental.cc/ I always think two things: Wow! I want to do this This is ideal for a recumbent bike! So, I wonder: Would this be ...
2
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2answers
203 views

Are recumbents more fatal in an accident than a regular bicycle?

I noticed a bunch of people riding recumbents a few days ago, as well as upright bikes, for an event happening in my town. What struck me was the low ride height and poor visibility (by others) of ...
6
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3answers
593 views

Are recumbents good for your back?

I am in my late 40s and yes I have a sore lower back. Most likely from too many bicycle rides on incorrectly sized / fitted bicycles. I am thinking of getting a recumbent for my daily commute to work. ...
1
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0answers
792 views

Cybex Recumbent exercise bike clicks on left side of wheel/pedal

I just got a used Cybex recumbent bike. For the first 3 weeks it worked perfect. Then out of the blue the left pedal started clicking as I bring my foot around and up. It starts after using it for a ...
2
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1answer
410 views

What are the advantages and disadvantages of different pedal formats for a recumbent?

We're reasonably familiar with pedals on conventional bikes. Flats are convenient for normal shoes Clips and Clipless provide foot retention and option of pulling up A recumbent has additional ...
5
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3answers
714 views

What are the benefits and drawbacks of different recumbent seat styles?

I've just bought a project recumbent. It has no seat yet. There are many different types - why would I choose a mesh one over a solid one? Mesh style - a HPVelotechnik "ergomesh" "Bench" style - a ...
4
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1answer
1k views

How to haul 3 recumbent trikes by car

There are 3 of us with recumbent Terra trikes and need to purchase a trailer or rack to hold them. There are a lot of different trails in Florida and we want to ride them. The trikes don't fold. So ...
2
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2answers
388 views

“Right” way to store energy from 2 dynamo hubs

I just bought a recumbent trike, and plan to do a fair amount of long-distance traveling on it, to the point that a dynamo hub seems like a really good idea. I was going to put a dynamo hub on one ...
8
votes
2answers
681 views

Shimano Hydraulic brake 90-degree angle hack

Does anybody know of a way to get Shimano Hydraulic brake hoses to exit the levers at a 90-degree angle? I ride a recumbent and at the moment I have to put up with a huge loop in front of my eyeline ...
32
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16answers
20k views

Why do we rarely see recumbents and almost never see velomobiles?

Recumbent bicycles are more efficient than ordinary upright bicycles, and velomobiles are even more efficient. Then why do we see them so rarely on the road? Is it because they are expensive, or are ...
10
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3answers
2k views

Convert Recumbent to Handcycle?

Has anyone ever successfully converted a recumbent bicycle or tricycle to hand-powered? How? What are the major obstacles to overcome?
0
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1answer
201 views

How many miles to repack bearings or replace on recumbent

I have a Sun EZ-1 Super Cruzer recumbent. It is the low end bike. It is beginning to be harder to pedal. Got at least 5,000 miles on it and never bearings have never been repacked or replaced. ...
8
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5answers
3k views

Does anyone sell a direct-drive recumbent with no handlebars?

This document well describes the benefits of a direct-drive recumbent. Is there any carbon-frame recumbent, commercially available, that implements all its recommendations. And what are the pros and ...
3
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1answer
1k views

On recumbent trikes, vs road bikes which is safer down hill?

Tadpole, vs delta have different tipping modes. Does the three wheel configuration give a false sense of stability? Are rocks on the road more or less of a risk on a Tadpole vs Delta vs Road/Mountain ...
10
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3answers
417 views

Things to consider when choosing a recumbent

Google's Sergey Brin asked for recommendations on buying a recumbent. What factors should he consider when evaluating alternatives? I'm thinking of getting a recumbent road bike even though +Dylan ...
18
votes
6answers
7k views

Does riding high gear up a hill damage a recumbent bike?

I have a recumbent trike with 26 gears. While normally I would shift to a low gear when going up a hill, I found that I can go up hills in the highest gear, the configuration that gives me the fastest ...
3
votes
1answer
321 views

How to determine what kind of front derailleur can be used on my recumbent trike?

I need to replace the front derailleur on my tadpole trike. Unfortunately, I cannot find a brand name or other numbers anywhere on the derailleur, so I cannot just replace it with an identical product....
7
votes
3answers
379 views

Will hydraulic brakes work with vertical underseat recumbent handlebars?

I have this type of recumbent. I want to upgrade to hydraulic brakes, but every bike shop warns me about the issues that will come from attaching the brake levers in a vertical position. They say that ...
9
votes
2answers
237 views

How do I make sure I'm sitting straight on a recumbent?

I have recently (at the time of original posting) taken up cycling a recumbent (a now discontinued Azub Eco 20" bicycle). My perineum thanks me, but immediately after a ride I feel a bit lopsided (...
5
votes
1answer
1k views

Recumbent with a shaft or other non-chain drive?

One of the problems of a recumbent is the super-super long chain, often twice or three times as long as a standard chain. It's heavy, it's hard to adjust, it's dirty. Are there any commercial ...
4
votes
1answer
711 views

What defines a recumbent?

Is there a clear technical definition for a recumbent? Is it the position of the knee in relation to the crank? The presence or absence of a back rest? There seems to be a fine line between, for ...
0
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1answer
136 views

Is there a site which has a good collection of recumbent bikes, still for sale new, to compare?

I am ready for a new recumbent bike and I know what I want, I also know that I will not be able to get all features in one bike as they are contradictory. Searching internet shows me a lot of sites ...
4
votes
3answers
1k views

Are upright conventional bicycle more comfortable than a recumbent trike over forest trails? [closed]

This question was prompted out of a short discussion from this question when it was proposed that a upright conventional bicycle is more comfortable than a recumbent trike when riding over forest ...
2
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0answers
156 views

What handling differences should I expect when moving from a bike to a Recumbent Trike? [closed]

I have been riding a normal bicycle, I just purchased a used Sun EZ-3 SX Delta Trike. I only have about a dozen miles on it on a few short trips. There is an answer here indicating some of the ...
5
votes
1answer
819 views

Towing with a Recumbent Trike, Tadpole or Delta?

I have some experience towing with an upright bike I am considering getting a recumbent trike, as my back side does not last as long as my legs. With an upright bike I automatically move my weight ...
13
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4answers
4k views

Are there any recumbent tricycles that can be transported with a normal car?

My wife would like a 3 wheeled recumbent, but I can’t see how we can transport one with a normal car. I can put my bike on a rack or the roof, but all the recumbent I have seen are too large to ...
7
votes
2answers
2k views

Where (UK) can we rent an adult tricycle or recumbent tricycle

There are a lot of cycle tracks (mostly old railway lines) in the UK that have bike rental, however very few of them have adult tricycle or recumbent tricycle. Does anyone have the list of where you ...
10
votes
3answers
5k views

Do your legs get tired faster when riding a recumbent trike compared to a upright bike?

In my quest for getting as much information as I can before configuring my recumbent trike, I was thinking if my legs would be get more tired as they are in a horizontal position? In an upright bike,...