Questions tagged [recumbent]

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

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2answers
35 views

how to remove broken grommet from recumbent seat (without damaging mesh)?

summary: Note this question is not about installing a new grommet: I know how to do that is about removing a grommet, so that I can install a new grommet in the already-existing hole details: I ...
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1answer
57 views

Improving turning radius on an under-seat steering recumbent?

This under-seat steering tadpole has a pretty large turning radius. The limitation seems to be that the handlebars will bump into the seat. When this happens the actual steering linkage seems like it ...
2
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2answers
361 views

Where can I get a fork that will fit a 7 speed gear and a disc brake? Or how could I make one for said specification?

Im trying to insert a 7 speed gear and disc brake on the front wheel of a recumbent cycle that I'm trying to make. However its difficult to find or almost impossible to get forks with widths that ...
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0answers
96 views

Is there a reason that velomobiles aren't made in a prone design?

So I just recently began looking at making my own velomobile and I designed a prone position reverse trike. I was having trouble converting my design into real dimensions and decided to look and see ...
3
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1answer
134 views

Tire selection for winter trike riding?

I'm thinking of trying out some winter riding on a recumbent tadpole trike. (ie the single drive wheel is in the rear). With regular tires it slips all over the place; of course you can't really wipe ...
2
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1answer
85 views

Should I rotate the tires on a (grown-up) trike?

I have a recumbent tadpole trike (though maybe this would apply to any style). Its two front wheels have a few degrees of inwards lean. The rear is of course perfectly vertical. I've read in another ...
1
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1answer
100 views

Help me find model of recumbent bike?

I am new to the community but used to ride pretty heavily for 2-3 years back in college (2015-2018) and am hoping to get back into the hobby, and am hoping to track down my old bike make/model. I ...
3
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1answer
163 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 ...
3
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1answer
106 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
76 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 ...
2
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1answer
67 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'...
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1answer
134 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 ...
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4answers
401 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 ...
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5answers
5k 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 ...
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 ...
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1answer
94 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
80 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 ...
8
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2answers
512 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 ...
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4answers
481 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 ...
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2answers
242 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 ...
13
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3answers
2k 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 ...
2
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1answer
506 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 ...
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3answers
1k 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 ...
2
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2answers
471 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 ...
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1answer
254 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. ...
5
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2answers
388 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 ...
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16answers
11k 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
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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 ...
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8answers
4k 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 ...
8
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2answers
907 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 ...
3
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1answer
371 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....
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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 ...
7
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3answers
634 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. ...
5
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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 ...
5
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2answers
820 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 ...
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1answer
138 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 ...
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 ...
2
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1answer
1k 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.
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3answers
399 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 ...
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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0answers
170 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
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1answer
945 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 ...
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 ...
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0answers
915 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 ...
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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 ...
4
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2answers
1k views

Steering in pivoting boom front wheel drive recumbent bike

I am a student pursuing BTech from new delhi. I am undertaking a project in which I am required to build a recumbent racer bike and then compete in a race. Last year, I built a rear wheel drive ...
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 ...
2
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1answer
402 views

Do faired recumbents need more gear range?

I am researching into faired recumbents, bicycles or trikes, such as the Velomobile Quest or the Sunrider. I'm interested in cycling long distances as a daily commute and for touring, but have no ...
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?
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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 ...