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Search: Posts Made By: OneIsAllYouNeed
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03-10-21, 08:49 PM
Replies: 21
Views: 3,103
Posted By OneIsAllYouNeed

Hereís a packing video for a coupled Chinook...

Hereís a packing video for a coupled Chinook tandem with hydraulic disc brakes.
https://fb.watch/49e-Si23lD/

Note that coupled Chinooks use an IS rear disc mount plus IS to post-mount adapter....
03-01-21, 01:59 PM
Replies: 28
Views: 6,013
Posted By OneIsAllYouNeed

My wife and I are similarly considering...

My wife and I are similarly considering refinishing our tandem (a titanium Chinook). Our bike currently just has a brushed ti finish with purple logos. We'll be taking inspiration from these two...
02-04-21, 08:43 AM
Replies: 15
Views: 1,573
Posted By OneIsAllYouNeed

Most triple front derailleurs are made for a...

Most triple front derailleurs are made for a specific combination of chainring sizes. Your best bet is to search for one whose spec sheet lists your exact chainring sizes. You'll find an assortment...
01-27-21, 01:40 PM
Replies: 5
Views: 1,066
Posted By OneIsAllYouNeed

I've seen a few folks using dropper posts as...

I've seen a few folks using dropper posts as you've described PNW, OneUp, and Thomson dropper posts all work with a stoker stem clamped onto the lower. Other brands probably do too....
01-23-21, 11:13 PM
Replies: 18
Views: 2,386
Posted By OneIsAllYouNeed

This tire optimizer will tell you the fastest...

This tire optimizer will tell you the fastest size for your weight and terrain.
https://www.cycleschinook.com/tire-optimizer/
Once you've got the size, you'll want a supple, high quality tire like...
12-30-20, 09:16 PM
Replies: 42
Views: 6,892
Posted By OneIsAllYouNeed

For completeness, what psi did you use on DK?...

For completeness, what psi did you use on DK? Tubeless? Would you want to use the same pressure on your tandem in those same conditions?
I really, really like the Gravelking and PariMoto 38 and 42mm...
12-30-20, 09:05 PM
Replies: 42
Views: 6,892
Posted By OneIsAllYouNeed

Put 400lb in here and see what it recommends for...

Put 400lb in here and see what it recommends for your local gravel. You can compare with your single bike tires and pressure for a reference point. https://www.cycleschinook.com/tire-optimizer/
12-30-20, 09:20 AM
Replies: 42
Views: 6,892
Posted By OneIsAllYouNeed

The OP requested 650b x 2.0" tires. I think...

The OP requested 650b x 2.0" tires. I think that's a perfectly reasonable width for many tandems on gravel. For rides like Dirty Kanza, most folks are running their tires at 30-40psi, and tandems...
12-28-20, 07:53 AM
Replies: 8
Views: 1,433
Posted By OneIsAllYouNeed

I like to set my road/gravel bikes up for the...

I like to set my road/gravel bikes up for the same air pressure in each tire. Usually that means a slightly wider tire on the rear. You can plug in your details on this pressure calculator to see how...
12-28-20, 07:43 AM
Replies: 15
Views: 1,884
Posted By OneIsAllYouNeed

You have a handful of options for 175mm stoker...

You have a handful of options for 175mm stoker cranks with boost chainline and those bolt circles. My Chinook has Sram Rival BB30 cranks; the rear left is a helicoiled right crank. I can use 110bcd...
12-22-20, 10:04 PM
Replies: 42
Views: 6,892
Posted By OneIsAllYouNeed

There are a growing number of gravel tandems on...

There are a growing number of gravel tandems on the market. Some flat bar tandems might be good candidates for drop bar conversion, too, depending on your frame size needs. These tandems should all...
12-09-20, 04:05 PM
Replies: 78
Views: 12,090
Posted By OneIsAllYouNeed

Beginning tandem age: 47 Current (with same...

Beginning tandem age: 47
Current (with same stoker): 71
Most recent tandem ride: 42
11-03-20, 01:48 PM
Replies: 2
Views: 925
Posted By OneIsAllYouNeed

The Niner Biocentric fits somewhat obscure frames...

The Niner Biocentric fits somewhat obscure frames with 55mm shells. The Bushnell fits 54mm shells. Bushnell offers (offered?) a shim for 55 or 57mm bottom bracket shells. It's worth noting that...
10-30-20, 10:56 PM
Replies: 3
Views: 963
Posted By OneIsAllYouNeed

Most (all?) high end tandems have an eccentric...

Most (all?) high end tandems have an eccentric front bottom bracket to tension the timing chain. Lower end tandems often use an idler pulley on the boom tube. It sounds like youíre looking for a high...
10-29-20, 08:20 PM
Replies: 18
Views: 5,857
Posted By OneIsAllYouNeed

Our tandem has a 145mm quick release rear hub,...

Our tandem has a 145mm quick release rear hub, like yours, and we've used it successfully on both trainers that we currently own.

One trainer is the very popular, non-smart, wheel-on Cyclops Fluid...
10-28-20, 01:13 PM
Replies: 19
Views: 4,494
Posted By OneIsAllYouNeed

142mm and 148mm thru axle are really common on...

142mm and 148mm thru axle are really common on new tandems. 148mm seems to be more popular for road, gravel, and MTB tandems.

In spite of the nominal dimensions, 148mm thru axle hubs are 4mm...
10-28-20, 12:52 PM
Replies: 9
Views: 1,870
Posted By OneIsAllYouNeed

I've used R+E Cycles for a steel tandem fork and...

I've used R+E Cycles for a steel tandem fork and Cycles Chinook for a titanium tandem fork. Both are exactly what I wanted.
10-24-20, 10:22 PM
Replies: 15
Views: 2,246
Posted By OneIsAllYouNeed

There's a factor of 1g (9.8m/s^2) missing to...

There's a factor of 1g (9.8m/s^2) missing to translate from mass*millimeters to N*m
Here's are two examples you can paste into the google search bar:...
10-24-20, 07:46 PM
Replies: 15
Views: 2,246
Posted By OneIsAllYouNeed

To be fair, Iíd opt for using unmodified BMX...

To be fair, Iíd opt for using unmodified BMX cranks for all the middle stokers, too. Keeping all the chains/belts on the right side is best for overall efficiency, reducing bottom bracket wear, and...
10-24-20, 05:51 PM
Replies: 15
Views: 2,246
Posted By OneIsAllYouNeed

I personally like a wider and closer set of gears...

I personally like a wider and closer set of gears than you can in a 1x12. There are a handful of 2x11 drivetrains that can achieve about 650% overall gear range and reasonable jumps between gears....
10-23-20, 06:20 AM
Replies: 7
Views: 1,477
Posted By OneIsAllYouNeed

Weíve used a handful of brake setups over the...

Weíve used a handful of brake setups over the years on our tandems. Iíll donít recall the exact details on some of the older ones, but hereís my rankings...
Worst: Cantilever brakes in general;...
10-21-20, 07:47 PM
Replies: 5
Views: 1,029
Posted By OneIsAllYouNeed

Full coverage fenders are the best investment for...

Full coverage fenders are the best investment for staying dry. On a tandem, adding a mud flap to the bottom of the front fender helps keep the stokerís feet dry.
Some fenders have a lot of hardware...
10-19-20, 08:30 AM
Replies: 10
Views: 1,572
Posted By OneIsAllYouNeed

If you're looking to make your bike faster, start...

If you're looking to make your bike faster, start with nice, supple tires that are the right width for your weight and your roads. Cycles Chinook has a handy tire sizing tool to help with that:...
10-11-20, 09:02 PM
Replies: 7
Views: 1,841
Posted By OneIsAllYouNeed

It sounds like a 700c x 37 or 38mm tire would be...

It sounds like a 700c x 37 or 38mm tire would be good for your next pair. The Panaracer "Gravelking SS Plus" or "Graveling Plus" would be good for what you've described. The "durable" versions of...
10-11-20, 04:03 PM
Replies: 7
Views: 1,841
Posted By OneIsAllYouNeed

There are three popular rim/tire sizes and youíve...

There are three popular rim/tire sizes and youíve presented some references to two different ones.
559mm = 26 inch
584mm = 27.5 inch = 650b
622mm = 29 inch =700c
Note that the first number is...
10-07-20, 01:06 PM
Replies: 19
Views: 2,149
Posted By OneIsAllYouNeed

I build my fair share of tandem wheels. 32H is...

I build my fair share of tandem wheels. 32H is more common than 36H; 40H is becoming very rare and 48H is passť. I like vertically stiff rims and I prefer wider rims. I generally go above 32 spokes...
09-29-20, 01:40 PM
Replies: 24
Views: 3,164
Posted By OneIsAllYouNeed

Any custom tandem builder should be able to put...

Any custom tandem builder should be able to put the couplers where you want them. A good builder will also ensure that your frame fits you and fits within whatever space constraints you'll have.
In...
09-08-20, 01:08 PM
Replies: 54
Views: 8,104
Posted By OneIsAllYouNeed

Ghost shifting due to frame flex will likely be...

Ghost shifting due to frame flex will likely be worse with a cable-actuated rear derailleur. Have you tried micro-trimming the individual gears? Most likely, they'll need to be trimmed outboard...
09-03-20, 01:16 PM
Replies: 6
Views: 1,112
Posted By OneIsAllYouNeed

A custom-made toptube mounted stem is certainly...

A custom-made toptube mounted stem is certainly one option for you. I believe R+E Cycles or Cycles Chinook would make one. Assuming the top tube is round, it should be fairly straightforward.

The...
08-11-20, 12:53 PM
Replies: 18
Views: 3,232
Posted By OneIsAllYouNeed

Joeruge, your older Cannondale can use modern...

Joeruge, your older Cannondale can use modern "Boost" spaced rear hubs with QR end caps. There are some 141mm QR hubs, too. The DT 350 Hybrid would be a good candidate rear hub to keep that frame...
08-10-20, 11:58 AM
Replies: 18
Views: 3,232
Posted By OneIsAllYouNeed

Fitting a 6ft stoker comfortably to the rear of a...

Fitting a 6ft stoker comfortably to the rear of a stock tandem is a challenge. The closest stock tandem to working would be a Cannondale Road Tandem J/M (Jumbo/medium) or Cannondale Tandem 29 L/G....
08-10-20, 11:39 AM
Replies: 14
Views: 1,784
Posted By OneIsAllYouNeed

Most likely, you're feeling the results of...

Most likely, you're feeling the results of chainstay flex. In your lowest gear combination, the chain tension is highest, so you're most likely to bend the chainstays. With eTap, you can microtrim...
06-30-20, 12:28 PM
Replies: 1
Views: 546
Posted By OneIsAllYouNeed

Here's some clean brake hose routing on a coupled...

Here's some clean brake hose routing on a coupled tandem. The hose runs under the top tube, under the left seatstay, then curves gently up to the seatstay-mounted brake caliper....
06-19-20, 08:09 PM
Replies: 129
Views: 38,557
Posted By OneIsAllYouNeed

This is my Chinook travel gravel family tandem....

This is my Chinook travel gravel family tandem. In one photo, it's set up for my 5'3" wife as stoker with a Weehoo trailer in tow. In the other, it's set up for my 3'6" 5 year old stoking.
...
06-13-20, 09:57 PM
Replies: 2
Views: 587
Posted By OneIsAllYouNeed

Sounds like (1) the cable slipped in the cable...

Sounds like (1) the cable slipped in the cable anchor bolt or (2) a cable housing ferrule wasnít seated in a housing stop until you pulled the brake lever. Either way, just loosen the cable anchor...
06-12-20, 10:32 PM
Replies: 5
Views: 1,201
Posted By OneIsAllYouNeed

You have a Shimano 8/9/10-speed driver. There are...

You have a Shimano 8/9/10-speed driver. There are only a few 12-speed cassettes compatible with it:
Garabaruk 11-52
Sram NX 11-50
Sunrace 11-50 and 11-51
Those cassettes will only work well in a...
05-20-20, 06:29 AM
Replies: 13
Views: 2,612
Posted By OneIsAllYouNeed

I donít think anyone offers a stock tandem-rated...

I donít think anyone offers a stock tandem-rated fork with 12mm thru axle. You might inquire with the folks who are making tandem forks ó R+E, Co-Motion, Chinook ó if they would build you one.
...
05-11-20, 08:01 AM
Replies: 12
Views: 1,449
Posted By OneIsAllYouNeed

Your creaking could be caused by insufficient...

Your creaking could be caused by insufficient bearing preload. Take out a crankarm and add a BB30 spacer or wave washer. Be sure to respect the Lightning torque spec on the spindle. I like to use...
05-11-20, 07:28 AM
Replies: 12
Views: 2,267
Posted By OneIsAllYouNeed

The crankarms on Doug's bike are Sram Force 22...

The crankarms on Doug's bike are Sram Force 22 BB30. They're compatible with many aftermarket 3-bolt spiders, including 76, 94, 104, 110, and 130bcd options. Sram's new 107bcd rings are meant for AXS...
05-11-20, 07:16 AM
Replies: 12
Views: 2,267
Posted By OneIsAllYouNeed

Howdy Doug. Beautiful bike. Looking forward to...

Howdy Doug. Beautiful bike. Looking forward to seeing more pictures of it out adventuring.

The Veer belt is similar design to the original Gates Carbon Drive from the early 2000s. The beltrings...
04-22-20, 08:39 AM
Replies: 17
Views: 2,469
Posted By OneIsAllYouNeed

You can definitely use crank length differential...

You can definitely use crank length differential to sort out cadence mismatch. Your intuition is correct that shortening your stoker's cranks would let her comfortably spin -- and make power -- at...
04-21-20, 07:02 AM
Replies: 12
Views: 2,243
Posted By OneIsAllYouNeed

Jagwire Mountain Pro Hose with fit kit HFA210 or...

Jagwire Mountain Pro Hose with fit kit HFA210 or HFA213 work on 11-speed eTap HRD brakes and AXS HRD brakes. The double-ended hose is 3000mm long, which is suitable for the rear brake on most tandems...
04-09-20, 09:39 AM
Replies: 11
Views: 562
Posted By OneIsAllYouNeed

I've also used a wider rim to improve vertical...

I've also used a wider rim to improve vertical clearance from fork crown or seat stay bridge. [Off topic: it was on my winter fixed commuter with studded tires. I couldn't exactly run out for a...
04-08-20, 10:59 AM
Replies: 31
Views: 4,167
Posted By OneIsAllYouNeed

QBP and BWP have inventory of many Velocity rims....

QBP and BWP have inventory of many Velocity rims. I imagine many LBS have a random smattering.

The OP didn't seem overly concerned about long descents. That said, the Cliffhanger is a heavy rim...
04-08-20, 08:49 AM
Replies: 31
Views: 4,167
Posted By OneIsAllYouNeed

Here's a Velocity Blunt SS rim with a Conti...

Here's a Velocity Blunt SS rim with a Conti GP4000S II 28mm tire. The Blunt SS has the same outer width (30mm) as the Cliffhanger, and is slightly wider internally (26.6 vs 25mm). ...
04-08-20, 08:00 AM
Replies: 31
Views: 4,167
Posted By OneIsAllYouNeed

Spiraling in on the solution here. For...

Spiraling in on the solution here. For perceivable aerodynamic improvement, I'd recommend the Velocity Cliffhanger, 32 bladed spokes (I build with Sapim CX-Sprint for most of my tandem wheels), and a...
04-06-20, 06:15 PM
Replies: 31
Views: 4,167
Posted By OneIsAllYouNeed

How come you want an alloy rim so deep? If youíre...

How come you want an alloy rim so deep? If youíre going for aerodynamic drag reduction, youíre better off matching the width of your tire to the rim. The DT RR511, Kinlin XR31T, HED Belgium +,...
04-02-20, 07:22 AM
Replies: 8
Views: 1,870
Posted By OneIsAllYouNeed

Wide, supple tires are definitely awesome on...

Wide, supple tires are definitely awesome on tandems. Just be sure that you respect their pressure limits. Panaracer Pari Moto 650b x 42mm tires were an absolute game changer for us -- even compared...
03-25-20, 02:52 PM
Replies: 18
Views: 5,026
Posted By OneIsAllYouNeed

Bike shops have been deemed essential most...

Bike shops have been deemed essential most places. Most are still open and practicing social distancing and lots of cleaning. Manufacturers are more variable at the moment. One or two person shops...
03-01-20, 07:55 PM
Replies: 35
Views: 3,642
Posted By OneIsAllYouNeed

I'd recommend starting with a good professional...

I'd recommend starting with a good professional bike fit. There are lots of ways to adjust grip position, but I think you first need to find out what your ideal position is. Neck issues, especially,...
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