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Search: Posts Made By: scycheng
Showing results 1 to 50 of 171
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Forum: Tandem Cycling
10-31-23, 07:24 PM
Replies: 25
Views: 1,527
Posted By scycheng

Philosophically, I prefer parts on a touring...

Philosophically, I prefer parts on a touring tandem to be over-engineered enough that they don't fail in practice.

My emergency ride home is pedalling behind me. No denying that the newer rims are...
Forum: Tandem Cycling
10-31-23, 05:16 PM
Replies: 25
Views: 1,527
Posted By scycheng

If you take a hub and axle assembly which is...

If you take a hub and axle assembly which is centred (no offset) and build a wheel with spokes of the same length tensioned to the same tension and a rim without offsetted drilling, you will get an...
Forum: Tandem Cycling
10-31-23, 05:08 PM
Replies: 25
Views: 1,527
Posted By scycheng

Not much to see since there is a fender and 50mm...

Not much to see since there is a fender and 50mm tires which obstruct the view. When I have a chance to service the rear wheel, I'll get a photo. If you use the same spoke length on both side and...
Forum: Tandem Cycling
10-31-23, 04:37 PM
Replies: 25
Views: 1,527
Posted By scycheng

145mm spacing and Phil Woods cassette hub has...

145mm spacing and Phil Woods cassette hub has worked for us. Note I upgraded the drive train to 11s cassette from 8 speed without a need to re-dish the wheel. I did send the rear wheel back to Phil...
Forum: Tandem Cycling
10-31-23, 04:16 PM
Replies: 25
Views: 1,527
Posted By scycheng

For a touring tandem, my preference is for...

For a touring tandem, my preference is for un-dished wheels where both sides are tensioned the same. YMMV.
Forum: Tandem Cycling
10-31-23, 04:12 PM
Replies: 25
Views: 1,527
Posted By scycheng

I've only broke one spoke in the 30 years we've...

I've only broke one spoke in the 30 years we've used 48-spoked wheel in Vermont by getting the rear wheel stuck in a deep pavement crack. Did not notice for 2 days.

My point is simply that the...
Forum: Tandem Cycling
10-31-23, 06:07 AM
Replies: 25
Views: 1,527
Posted By scycheng

That maybe the case but remember there are far...

That maybe the case but remember there are far fewer spokes to handle the unbalanced forces involved when one or 2 spokes do fail. With 48 spokes, you have 47 spokes left to handle the unbalanced...
Forum: Tandem Cycling
09-27-23, 06:14 AM
Replies: 10
Views: 1,153
Posted By scycheng

Our builder gave me a spare RhynoLite rim and...

Our builder gave me a spare RhynoLite rim and spokes in case I need to rebuild the wheels one day. Fortunately, given these are 26" wheels, I won't likely need the spare ever. Knock on wood. :-)
Forum: Tandem Cycling
09-26-23, 05:43 AM
Replies: 10
Views: 1,153
Posted By scycheng

We have 48 holed Rhynolite rims laced to...

We have 48 holed Rhynolite rims laced to Philwoods cassette hub with Sapim single butted spokes. The PW hubs and Sapim spokes are definitely still available. Not so sure about the rim though. Very...
Forum: Tandem Cycling
09-14-23, 01:15 PM
Replies: 7
Views: 734
Posted By scycheng

Whether a 26" conversion will work really depend...

Whether a 26" conversion will work really depend on 2 things which only you can figure out. Firstly, whether your existing fork and seat+chain stays has enough clearance for the tire width you want....
Forum: Tandem Cycling
09-14-23, 09:40 AM
Replies: 7
Views: 734
Posted By scycheng

Our tandem is custom built by a frame builder,...

Our tandem is custom built by a frame builder, Arvon Stacey, in Alberta quite a few years ago now.

It use to be a coupled 700c touring tandem which developed a problem with the captain's seat post...
Forum: Tandem Cycling
09-14-23, 05:49 AM
Replies: 7
Views: 734
Posted By scycheng

My personal preference is for 2 hard cases. The...

My personal preference is for 2 hard cases. The main downside of using a hardcase for wheels is 700c wheels are a very tight fit into 26x26x10" case. We have since switched to 26" wheels which fits...
Forum: Tandem Cycling
08-29-23, 05:43 AM
Replies: 18
Views: 1,907
Posted By scycheng

I have started putting AirTag (or equivalent...

I have started putting AirTag (or equivalent tags) in all our check-in luggage. Let me track where the luggage is. It should at least be in the same airport as I am. Worked well for flying from...
Forum: Tandem Cycling
08-23-23, 05:37 AM
Replies: 5
Views: 880
Posted By scycheng

Schwalbe is the only large bike tire company I am...

Schwalbe is the only large bike tire company I am aware of that list weight limit on their tires. Useful indicators of whether tires will be suitable for your tandem.
Forum: Tandem Cycling
06-25-23, 08:51 AM
Replies: 10
Views: 670
Posted By scycheng

I would not bother to do major retrofits. Maybe a...

I would not bother to do major retrofits. Maybe a 3 speed conversion if you can find the parts cheap. The frame will be heavy and probably too flexy to ride in the hills. The front fork maybe too...
Forum: Tandem Cycling
06-19-23, 06:09 AM
Replies: 26
Views: 2,312
Posted By scycheng

My stokers controls the drum brake for 2 reasons:...

My stokers controls the drum brake for 2 reasons:

She trust me with her life 99% of the time when we ride. Why should I not trust her for that 1% of the time?
I don't finess the drag brake. We...
Forum: Tandem Cycling
05-17-23, 04:51 AM
Replies: 2
Views: 750
Posted By scycheng

Is it absolutely necessary? Perhaps not. Is it a...

Is it absolutely necessary? Perhaps not. Is it a really good idea from safety perspective, absolutely.

You need a fork that can take about 4X of the amount of force and abuse that a single bike...
Forum: Tandem Cycling
05-02-23, 02:35 AM
Replies: 14
Views: 1,535
Posted By scycheng

I tend to keep the timing chain to be the same as...

I tend to keep the timing chain to be the same as the rear chain simply because if I wreck the drive chain really badly (twist/mangle), I can always use the timing chain as the drive chain and use...
Forum: Tandem Cycling
04-26-23, 01:46 AM
Replies: 17
Views: 1,997
Posted By scycheng

It depends on tube diameter and how good your...

It depends on tube diameter and how good your stoker is. Mine stoker is very good at not wiggling around.

When we had our touring tandem built, I discussed whether we need a full length lateral...
Forum: Tandem Cycling
02-11-23, 03:04 AM
Replies: 9
Views: 1,038
Posted By scycheng

We had this problem with our last tandem. The...

We had this problem with our last tandem. The Salsa extra long armed single bolt clamp ended up deforming and cracking the seat tube. When our builder rebuilt the frame for me, I had him braze on...
Forum: Tandem Cycling
01-27-23, 11:31 AM
Replies: 12
Views: 1,776
Posted By scycheng

You should be able to. I went with new cranks to...

You should be able to. I went with new cranks to get a better length for my stoker. Now I can use any run-of-the-mill triple crank for the back and a double/single ring crank for the front.
Forum: Tandem Cycling
01-27-23, 07:51 AM
Replies: 12
Views: 1,776
Posted By scycheng

I did the conversion from 3x8 to 2x11 with 48-32...

I did the conversion from 3x8 to 2x11 with 48-32 (I think) and 11-42 cassette using a mix of Ultegra and GRX parts. Have not had a chance to ride it a lot but seems to work well. Shifting is better...
Forum: Tandem Cycling
01-18-23, 08:02 AM
Replies: 10
Views: 1,800
Posted By scycheng

The best tire for you depends on where you are...

The best tire for you depends on where you are going to ride. When we started tandeming, we used the widest Continental Top Touring available in 700c (37mm if I remember correctly). We used that for...
Forum: Touring
07-11-22, 02:09 AM
Replies: 27
Views: 1,714
Posted By scycheng

I have ridden most of this route over the years....

I have ridden most of this route over the years. The OBC's Ottawa to Kingston and back weekend ride uses some of this route on one or 2 of their routing options. The main route form Kingston to...
Forum: Tandem Cycling
06-18-22, 07:32 AM
Replies: 37
Views: 6,462
Posted By scycheng

We have done a fair amount of credit card touring...

We have done a fair amount of credit card touring in Provence and surrounding areas. Other than getting on and coming off the plateau, it's not that hilly. I have a cantilever brake in the front and...
Forum: Tandem Cycling
06-18-22, 07:24 AM
Replies: 15
Views: 2,113
Posted By scycheng

Check the saddle clamp and the saddle itself...

Check the saddle clamp and the saddle itself would be where I start.
Forum: Tandem Cycling
05-15-22, 08:14 AM
Replies: 6
Views: 2,016
Posted By scycheng

Spoke count seems a bit low at 32 but that's my...

Spoke count seems a bit low at 32 but that's my prejudice.
Forum: Tandem Cycling
02-14-22, 01:43 AM
Replies: 13
Views: 2,393
Posted By scycheng

I have done the conversion the other way from...

I have done the conversion the other way from flat bar to drop bar on a MTB. In my case, the handling felt floppy afterward and I never liked it.

Have you tried raising the handlebars and...
Forum: Tandem Cycling
02-08-22, 02:10 AM
Replies: 48
Views: 12,745
Posted By scycheng

When I did 3x8 to 2x11 conversion on my Merlin...

When I did 3x8 to 2x11 conversion on my Merlin road bike, I needed to replace the chain ring spacers on the Mavic crankset so the chainring spacing is correct for 11S chain and chainring. Vague...
Forum: Tandem Cycling
01-29-22, 08:57 AM
Replies: 38
Views: 15,582
Posted By scycheng

Are the split belts reliable enough for touring...

Are the split belts reliable enough for touring use ie. a long way away from one's favourite bike shop/mechanic?

I converted our bike from 4x8 to same sided 2x11. Long term reliability remains to...
Forum: Tandem Bikes and Gear Marketplace
01-03-22, 09:58 AM
Replies: 4
Views: 648
Posted By scycheng

We might be going into pademic restrictions with...

We might be going into pademic restrictions with the omicron wave picking up steam so it's tricky to tell. As long as you are not in a hurry, we can make something work.

Tracked parcel to MA via...
Forum: Tandem Bikes and Gear Marketplace
12-24-21, 05:25 AM
Replies: 4
Views: 648
Posted By scycheng

I do have one set of Strange brake in my parts...

I do have one set of Strange brake in my parts bin. It was used on our last tandem. Good condition from what I can recall.
Forum: Tandem Cycling
12-19-21, 07:47 AM
Replies: 5
Views: 2,547
Posted By scycheng

In regions with decent train service ie. not most...

In regions with decent train service ie. not most of North America, we would take the train one way with the tandem. Works particularly well in western Europe.

For flying, couplers are worth every...
Forum: Tandem Cycling
12-15-21, 10:01 AM
Replies: 15
Views: 2,505
Posted By scycheng

One thing I hate, and I find impractical, trying...

One thing I hate, and I find impractical, trying to fix a flat on the side of the road with tubeless tires is trying to get enough pressure with a hand pump (even a decent Topeak with can be used as...
Forum: Tandem Cycling
12-11-21, 07:30 AM
Replies: 15
Views: 2,505
Posted By scycheng

I have a gravel bike which was set up tubeless...

I have a gravel bike which was set up tubeless from the manufacturer. Because of the pandemic, I couldn't ride it for 6-8 months. By the time I saw the bike again, the tires has gone flat and would...
Forum: Tandem Cycling
09-14-21, 02:11 AM
Replies: 17
Views: 4,460
Posted By scycheng

We do the same. I am captain and water boy. This...

We do the same. I am captain and water boy. This way she remembers to drink when I do so she won't get dehydrated.

The only time she reaches for her bottles is when we swap bottles if I run out...
Forum: Tandem Cycling
09-11-21, 01:44 AM
Replies: 14
Views: 2,398
Posted By scycheng

TA makes craksets with inter-changeable spiders....

TA makes craksets with inter-changeable spiders. Not sure if they make a tandem crankset but Peter White lists a 58mm granny diameter.

TACARSPI94x58B 94mm - 58mm Triple, Black, Smallest ring, 20...
Forum: Tandem Cycling
08-23-21, 09:23 AM
Replies: 10
Views: 2,609
Posted By scycheng

We use Schwalbe Kojak 26x2 on our (touring)...

We use Schwalbe Kojak 26x2 on our (touring) tandem. It's a slick and still in the Schwalbe catalog. On hardpack and dirt roads, it works fine. Not good for loose stuff since there is no tread but I...
Forum: Tandem Cycling
08-11-21, 05:45 AM
Replies: 12
Views: 4,847
Posted By scycheng

I use a Park PRS-6A (something like that) which I...

I use a Park PRS-6A (something like that) which I bought 25+ years ago. No problem with holding the tandem in the air.
Forum: Tandem Cycling
07-10-21, 08:15 PM
Replies: 12
Views: 1,502
Posted By scycheng

I think the biggest challenges for the 2 of you...

I think the biggest challenges for the 2 of you will be:

Cadence - usually tandem riding require compromising your cadences (slower/faster). In this case, I assume you must adapt to his cadence...
Forum: Tandem Cycling
07-09-21, 06:30 AM
Replies: 12
Views: 1,502
Posted By scycheng

My first thoughts are not a bad idea but: ...

My first thoughts are not a bad idea but:

He should consult his physiotherapist first. Depending on the nature of his knee injury and his current stage of recovery, this may or may not be a good...
Forum: Tandem Cycling
04-08-21, 06:23 AM
Replies: 22
Views: 5,634
Posted By scycheng

Shipping cost for large parcels outside of China...

Shipping cost for large parcels outside of China is not quite as economical if you ever want to take that tandem outside of China. 😀

You can easily recover the cost of extra set of couplers after...
Forum: Tandem Cycling
04-07-21, 07:26 AM
Replies: 22
Views: 5,634
Posted By scycheng

I've seen rental beach boardwalk tandems in...

I've seen rental beach boardwalk tandems in Shenzhen with double side driven rear wheel. 48H wheels probably don't have enough volume for parts to be easily available inside China. 36H wheel with...
Forum: Tandem Cycling
04-01-21, 06:49 AM
Replies: 22
Views: 5,634
Posted By scycheng

Your wheels seems a bit under engineered for...

Your wheels seems a bit under engineered for tandem touring. Chinese courier service is very fast, reliable and cheap inside China but getting the right parts could be an issue in the backwoods of...
Forum: Tandem Cycling
02-24-21, 07:19 AM
Replies: 9
Views: 3,519
Posted By scycheng

Saddle is key to enjoyment for people who don't...

Saddle is key to enjoyment for people who don't or rarely ever ride. She may have to try several. My wife did before we settled on a Terry saddle.

We were in similar situation when we started...
Forum: Tandem Cycling
11-16-20, 01:22 AM
Replies: 31
Views: 4,909
Posted By scycheng

One pedal she may wish to consider is Speedplay...

One pedal she may wish to consider is Speedplay Frog. Recessed cleats and no rotation resistance. I have so-so knees and I find Speedplay Frogs a blessing. My wife has better and very flexible knees...
Forum: Tandem Cycling
11-03-20, 03:28 AM
Replies: 48
Views: 12,745
Posted By scycheng

That is certainly one way to avoid the pinch flat...

That is certainly one way to avoid the pinch flat problem.:)

Something to be considered though. If one is getting snakebite punctures with properly inflated relatively wide tires like the 37mm Top...
Forum: Tandem Cycling
11-02-20, 01:49 PM
Replies: 48
Views: 12,745
Posted By scycheng

Swaged/butted spoke would make a more durable...

Swaged/butted spoke would make a more durable wheel. We use 2.0-1.7 (I think - a long way from the tandem right now) spokes on our 26" wheel. Butted spokes are less likely to break.

About 10-15...
Forum: Tandem Cycling
11-02-20, 01:57 AM
Replies: 48
Views: 12,745
Posted By scycheng

I get a 404 so something might be wrong with the...

I get a 404 so something might be wrong with the URL.

I had written a longer comment but it disappeared when I tried to submit it so an abbreviated version

Don't go cheap on wheels. This is...
Forum: Tandem Cycling
09-19-20, 10:54 AM
Replies: 5
Views: 1,851
Posted By scycheng

How is this differnt from te Softride suspenstion...

How is this differnt from te Softride suspenstion stem from 20 years ago?
Showing results 1 to 50 of 171
 
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