 |
 | If you've ever spent time on a tandem, perhaps you, too, thought the ability to coast independently would significantly improve your ride. It's an idea whose time has long been coming. That's why da Vinci Designs is excited to offer quality hand built tandems that showcase the Independent Drive, an intermediate shaft that allows the captain and stoker the freedom to coast independently of each other. | | | | | | | All da Vinci Designs tandem frames are hand crafted with quality materials in Denver Colorado by highly skilled technicians and painted by Brian Davis co-owner of da Vinci Designs. |
Carbon Fiber 700c - Clear or Carbon to Candy Oriental Fade | | Advantages of da Vinci Designs Independent Coasting System | da Vinci Designs' Independent Coasting System (ICS) offers you a riding experience both on and off road that equals or surpasses the best you've had on a single or tandem bike. The ICS makes for a far more intuitive, comfortable and efficient ride.
This newfound ability to independently or collectively coast, pedal and position your cranks at will offers these advantages: | - Starting, stopping and going through corners are as easy as on a single bike.
- Captain and stoker can independently relax, take a drink, adjust seat position, stand for a few seconds to relieve weary sit bones, even take a moment to gaze at scenery, while the other keeps pedaling.
- Traversing obstacles is easier and more efficient because the captain and stoker can coordinate avoiding the obstacles while maintaining forward momentum.
- Asynchronous pedaling decreases strain on the final drive train.
|
 | | The main component of da Vinci Designs’ ICS is an intermediate drive shaft six inches in front of the rear bottom bracket. The intermediate shaft has two single-speed freewheels on the left side that are independently driven by the cranks at twice the rotating speed and half the torque. On the right side of the shaft, four Hyperglide™ cogs drive the bike. The chain rings are half the size as those on a conventional tandem because of the double rotation of the intermediate shaft. The combination of 12-, 18-, 24-, 30-tooth driving gears equals 24-, 36-, 48-, 60-tooth chain rings. The combination of the small 6-tooth gap, doubled rotation and the Hyperglide cogs gives da Vinci Designs’ tandems these technical advantages: | - Smooth and fast front shifting – The closer the chain rings are to the same size, the easier it is to shift. Other tandems, and even single bikes, are forced to use a 12-tooth gap between chain rings.
- Unprecedented range of gears – Four chain rings and eight rear sprockets mean 32 gears that range from 18 to 140 gear-inches. No other tandem gives you that many gears or that kind of range.
- More ground clearance – Nice when you lift your tandem over a curb, out of a truck, or when you are off road.
- Stronger, lighter chain rings that are less prone to bending
- Less strain on the chain while shifting
|
da Vinci Road Tandems |
click image to enlarge
Joint Venture (26” or 700c) (click here or scroll down for specs and pricing)
|
click image to enlarge
In-2-ition Road (26”) (click here or scroll down for specs and pricing)
|
click image to enlarge
Grand Junction (26”) (click here or scroll down for specs and pricing)
|
da Vinci Designs Road Tandems 2012 Specs
| | Components |
Joint Venture
(26” or 700c) |
In-2-ition Road (26”) | Grand Junction (26”) |
| ** Shifters |
Campy Chorus Ergo Carbon |
Campy Veloce Ergo | Shimano Tiagra STI |
| Shifters Option |
Shimano Ultegra STI available |
***Campy Chorus
(add $200) |
| | Rear Derailleur
*** | Modified Sram X-9 |
Modified Sram X-9 | Shimano Deore |
| Front Derailleur |
Campagnolo Triple |
Campagnolo Triple | Custom Compact |
|
Front Brakes | Avid 1D-7 w/Travel
Agent | Avid 1D-5 w/Travel Agent | Avid BB7 Disc w/203mm rotor |
|
Rear Brakes | Avid BB7 w/200mm
rotor |
Avid BB7 w/200mm rotor |
Avid BB7 w/200mm rotor |
| Front Bars |
FSA Compact
Wing OS drop bars |
FSA Compact OS drop bars | Anatomic
OS Alloy Drop Bars |
| Rear Bars |
Profile Stoker bars |
Profile Stoker bars | Profile Stoker Bars |
| Front Stem |
Bontrager Race X-Lite OS |
Bontrager Race X-Lite OS | NVO Adjustable |
| Rear Stem |
Control Tech Adjustable |
Control Tech Adjustable | Control Tech Adjustable |
| Cranks |
da Vinci Direct Drive any length |
Sugino XD 175 and/or 170mm | Sugino XD 175mm
front, 170mm rear |
| Rear Cogs |
11-32 9 Spd. |
11-32 9 Spd. | 11-32 9 Spd. |
| Chainrings |
Four Chainrings 12-18-24-30
(equivalent to 24-36-48-60) |
14-21-28
(equivalent to 28-42-56)
***12-18-24-30 w/Campy opt |
14-21-28
(equivalent to 28-42-56) |
| Hubs |
White Industries |
40h disc rear, 36h front |
40h disc front and rear |
| Rims |
da Vinci V-23 : 26" 36h (700c 40h) |
Alex DA16 | Alex DA16 40h |
| Tires |
Panaracer RIBMO 1.25"
(700c x
28mm) | Kenda Kwick Roller Sport 1.25” | Kenda Kwick Roller Sport 1.25” |
| Seatposts |
Thompson Elite/Thudbuster ST |
Kalloy Uno front & rear | Kalloy Uno front & rear |
| Saddles |
Sella Italia TransAm XO & Lady
Flow | Velo Gel w/cutout Mens &
Womens | Velo Gel
w/cutout Mens & Womens |
|
Price |
w/S&S Couplers |
Price |
w/S&S
Couplers |
Price |
Chro-moly
Frame |
$5,194 |
$6,795 |
$4,195 |
$5,795 Stainless |
$2995
pedals not included |
Aluminum
Frame |
$5,595 |
|
$4, 595
|
| Couplers Not Available |
Titanium
Frame |
$8,495 |
$11,495 |
|
|
Sizes: Small, Med, or Large/Small |
Carbon Fiber
Frame |
$8,795 |
$11,295 | |
|
Colors: metallic red or metallic blue |
Road
In-2-ition available in 700C for $350 upcharge
*is equivalent to 24-36-48-60
** available with Shimano STI Shifters
*** Optional Shimano Ultegra STI available
- Joint Venture available as a triple. Call For Pricing.
S&S Not available on aluminum frames.
All Chro-moly or titanium tandems are available as Global models. Built with six S&S Couplers for convenient transportation in one 26"X26"X12" hard-side case. |
da Vinci Off-Road/Hybrid Tandems |
click image to enlarge
Joint Adventure (click here or scroll down for specs and pricing)
|
click image to enlarge
In-2-ition Off-Road (click here or scroll down for specs and pricing)
|
|
da Vinci Designs Off-Road Tandems / Hybrid 2012 Specs |
| Components |
Joint Adventure |
In-2-ition Off-Road |
| ** Shifters |
Sram Grip Shift X-9 |
Sram Grip Shift X-7 |
| Rear Derailleur |
Sram X-9 |
Sram X-7 |
| Front Derailleur |
Campagnolo Triple |
Campagnolo Triple |
|
Rear Brakes | Avid BB7 Disc
w/200mm rotor | Avid BB7 Disc
w/200mm rotor |
|
Front Brakes | Avid ID-7 |
Avid ID-5 |
| Front Bars |
Profile Bar None w/bar ends |
Profile Bar None w/bar ends |
| Rear Bars |
Profile Stoker bars |
Profile Stoker bars |
| Front Stem |
Bontrager Race OS |
Bontrager Race OS |
| Rear Stem |
Control Tech adjustable |
Control Tech adjustable |
| Cranks |
da Vinci - any length |
Surgino XD 175 and 170mm |
| Rear Cogs |
11-34 9 spd. |
11-34 9 spd. |
| Chainrings |
Shimano Hyperglide 12-18-24-30 *
(equivalent to 24-36-48-60) |
| Hubs |
White Industries |
40h disc rear, 36h front |
| Rims |
da Vinci Designs V-23 36h |
Alex DA16 |
| Tires |
Panaracer RIBMO 1.5" |
Kenda Kwick Roller Sport 1.5” |
| Seatposts |
Thomson Elite / Thudbuster
ST |
Kalloy Uno front and rear |
| Saddles |
Sella Italia TransAm XO & Lady
Flow | Velo Gel w/cutout Mens
& Womens |
|
Price |
w/S&S Couplers |
Price |
w/S&S Couplers |
Chro-moly
Frame |
$4,995 |
$6,595 Stainless |
$3,995 |
$5,595 Stainless |
Aluminum
Frame |
$5,395 |
|
$4,395 |
|
Titanium
Frame |
$8,295 |
$11,295 Titanium |
|
|
|
Carbon Fiber Frame |
$8,595 | $11,095 |
|
|
*is equivalent to 24-36-48-60
** available with Shimano STI Shifters
- Joint Venture available as a triple. Call For Pricing.
S&S Not available on aluminum frames.
All Chro-moly or titanium tandems are available as Global models. Built with six S&S Couplers for convenient transportation in one 26"X26"X12" hard-side case. | |
da
Vinci Upgrade Packages
no substitutions or further discounts for
deleted upgrades |
Package # 1
$650
Wound Up Carbon Fiber Tandem Fork
Avid BB7 203mm Rear Disc Brake
Chris King or Cane Creek 110 Headset
2 Color Fade or House of Kolor Kandy
Paint |
Package # 2
$775
All of Package # 1 Plus:Avid BB7 203 Front Disc Brake |
Package # 3 $1150
All of #1 plus Rolf Prima Wheels**
** Road use only |
Package # 4
$1295
All of #3 plus disc brake |
In
-2-ition Road (700C) Upgrade
In-2-ition comes standard with 26"
wheels to change to 700C is a $350 upcharge |
| da Vinci Jersey $75 |
 |
Club Cut for a more relaxed fit. SmartDry fabric.
Mens Jerseys are made with a full zip
Women’s specific cut with 3/4 zip |
|
|
