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Stoker Comfort Items

 Cranks & Pedals from Tandems East

Cranks & Pedals from Tandems East Crank forward setup from Tandems EastThe ORIGINAL Crank Shorteners from Tandems East
Tandem Cranks & Pedals from Tandems EastTandem Cranks & Pedals from Tandems East
Click any of the links below or scroll down for more info
Cranksets Pedals Crank Shortners
Kid Back Conversions How to Order Crank Shortners
BrandModel Front
Length (mm)
Length (mm)
Triple Cost
FSA Carbon SL-K Lite175, 172.5 170, 172.5Yes Yes $1,600
* da VinciTandem 180, 170165, 175 YesYes $725
FSA Carbon SL-K MegaExo175, 172.5, 170 170, 172.5, 175 YesYes $1,200
FSA Gossamer Mega Exo 175, 172.5, 170 170, 172.5, 175 YesYes $600
Sugino XD500 175 170 YesYes $425
Sugino XD500 170 170 YesYes $425
TruvativMega Exo 175, 170 175, 170 YesYes $550
Bontrager Tandem 175, 170 170 YesYes $600
Shimano6700 175, 170 170 YesYes $1,300
LightningCarbon 175, 170 170, 165 NoTriple Double $1,700
* Custom Length Cranks available, call for prices.
Brand Clipless Double Sided Color Cost
Shimano SLYes No Black $65
Shimano 520 Yes Yes Black $55
Shimano 540Yes Yes Black $90
WTB No No Black $55
Kid Back Conversions
Brand Seat Tube Dia. Complete
Ride 21 1/8" & 1 1/4" & 1 3/8" $275
Hadley* 1 3/8" (fits Santana) $335
*Complete conversions include bottom bracket shell with clamp, BB plus sizing shim, axle, crank set, 127mm arms, 36 tooth chain ring, long crank bolts, spacer washers and chain.
Not sure? Call us. We are happy to advise, we have done many.
Big Question: Are your cranks 74x110 or 130x74?) and What size is your seat tube?
Ride2 products from Tandems Eat
How do you know if your child needs crank shortners or a Ride2 child kiddie crank conversion?
1) a rule of thumb - if the child is 7 years old they generally can use crank shortners, with the stoker seat all the way down. An easy method for testing this - lower the seat in the stoker position to the lowest point, then have your child sit on the saddle with the crank in the down position (if you have a shock absorber seat post remove it and install a normal seat post first). If their foot intersects with at least half of the crank arm in the down position they can use crank shortners.  They can enjoy Ride2 or Tandems East original crank shortners until age 11 or 12.

2) Ride2 Child kiddie crank conversion is generally used from age 3 1/2 to age 7. When ordering it is important to know what type of crank you presently have on your tandem, the bolt pattern of the chainring (either 110 or 130 is most common). Also you need to know your seat tube size. Ride2 kiddie crank conversion comes with the ability to do 3 sizes; 1 1/8, 1 1/4 and 1 3/8. all hardware is provided and it takes standard metric Allen wrenches to install. Installation is usually a 45 minute job. If the child is just 3 1/2 they will need a longer stoker boom. which generally run about $80. An inexpensive way to avoid the longer stoker extension purchase is to flip over the handlebars. Ride2 kiddie cranks can be purchased with 2 crank bolt patterns, standard 110mm (for the very young rider) or 135mm for older children.
Crank Shortners
The ORIGINAL Crank Shorteners from Tandems East     The ORIGINAL Crank Shorteners from Tandems East
Crank Shortners from Tandems East

Get your stoker comfort items from Tandems East

Adjustable aluminum crank shortner with English 9/16 x 20 threading. Also available in 1/2" for older steel cranks $135 per pair. 2 minute installation. 4 positions, redesigned with rounded corners. Fits many cranks. We have produced these for 20 years. Does not mar cranks.
 Available in standard and wide sizes for
$135 and extra wide versions at $150

Wide version Fits Coda & Dimension cranks
Standard fits around a 31.2 crank
Wide fits around a 39.5 crank
Extra Wide fits 45.5 crank

Standard or Wide $135 per pair
Extra Wide $150 per pair

US Patent # 5743,546
Available for Tandems East Original Standard and Wide crank shortners a 1" pedal bolt for $30 per pair. These are good for exercycles with steel cranks.
Patented crank shorteners from Tandems East      Patented crank shorteners from Tandems East
Child Crank Shortners
Find stoker comfort items at Tandems East
Ride2 products from Tandems Eat

unique cam system - very soon black only
Available in Standard, Wide or Extra Wide Width
Standard or Wide Width $135
Ride 2 Crank Shortners are designed for use by children under 85 lbs. If you need crank shortners for an adult, your best choice would be Tandems East Original.
Will fit FSA SL-K Light Carbon Crankset or other wide crank sets
How to order the proper Crank Shortner
Check the width of your crank by measuring down about 3" with your digital caliper (click here for purchase info) or use the poor man's caliper (see info here). The photo below shows a crank 37.6mm wide, this crank will work with either the Tandems East Original Wide Crank Shortner or the Ride 2 Wide Crank Shortner.
How to Order Crank Shortners
Tandems East
Original Crank Shortners
Tandems East Original Wide Crank Shortner 
In the photo above you can see that the Tandems East Original Wide Crank Shortner uses stainless steel screws with nylon tips to eliminate slop.
Ride2 products from Tandems Eat 
Wide Crank Shortner
Ride 2 uses an eccentric cam system to take up slop. Will fit cranks up to 37.5mm or a hair wider. Easy to install with a 5mm Allen wrench and a 10mm open end or socket wrench, these are used to tighten eccentrics. A small bottle of LocTite  is provided for the 5mm stainless steel socket bolt (must be applied by installer).
This item is generally used by children 7  to 11 years old.
Ride 2 Wide Crank Shortner is installed Installing the Ride 2 Wide Crank Shortner
In the photos above, the Ride 2 Wide Crank Shortner is installed.
Notice how cams press up against crank arm to eliminate slop. 

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