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Mikado Our Triplet

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Mikado our triplet is a Thorn Trident with the following modifications:

We have even been cycle camping on Mikado, using front and rear panniers, plus a BOB YAK which we call Yasmine.  See photo from our Quorn trip last year in the photo review of 2003.  We took two tents (Hilleberg Stalon GT and Nallo 2), plus 3 collapsible chairs!.

 

In order to carry Mikado we firstly modified a Pendle front wheel out tandem carrier, but found that had limitations so we designed and built our own see our carrier page.  See the St John Street Cycles website for more background details on Thorn range of cycles.

Transmission/Gears

Shimano LX rear, controlled from Shimano STX RC shifter

Suntour XC Comp front changer controlled from Suntour power shifter.

Front chain rings: 46, 36, 24

Rear 8 speed cassette: 12, 14, 16, 18, 21, 24, 28, 32

Thorn crossover cranks with crank lengths, 175mm, 165mm, 155mm

Crossover drive rings 36 teeth

Brakes

Front: Dual Shimano LX V brakes operated from a single lever

Rear: Shimano LX V brake and Aria drum brake with quick release, controlled from a Suntour power shift lever, located under front gear changer.

Wheels Shimano XT tandem hubs with Sun Rhyno rims, 48 spokes, fitted with Panaracer Hi-Road S, 26 x 1.75 (note these tyres do not show the correct ISO designation of tyre size). 

Saddles

Front: Brookes Conquest with matching red springs

Middle: SelleRoyal Soft Ride

Rear:  SelleRoyal Freedom Gel

Handlebars

Front: SJS Comfort bars

Stoker (both): SJS Stoker bars

Headset Orbit XL II

Principle dimensions:

 

Stand over height

Front: 815mm

Middle: 775mm

Rear: 730mm

Top Tube Length:

Front: 575mm

Middle: 615mm

Rear: 620mm

Total Wheelbase

2360mm

Centre to Centres

Front wheel - front bottom bracket: 655mm

Front to middle bottom bracket: 640mm

Middle to rear bottom bracket: 640mm

Rear Bottom bracket to rear wheel: 435mm

Tube diameters (outside nominal painted)

Boom tube: 44mm

Down tube: 36mm

Top tube and laterals: 32mm

Total Length

3000mm (3020mm with mudguards)

Mikado, our triplet.  A Thorn Trident of June 2000 vintage.  She is 22/20/17 inch (44/51/57 cm) frame size.

ęStephen Dee

16 May 2004 ID P5166367

View from the front and rear ends.  Note the Rough Stuff Fellowship sticker on the rear mudguard.  Mikado has done a few gentle tracks.

ęStephen Dee

16 May 2004 ID P5166379 (L)

16 May 2004 ID P5166381 (R)

 

Dual front brakes, with separate cables from the single lever.

ęStephen Dee

16 May 2004 ID P5166368

Dual front brakes, with separate cables from the single lever.

ęStephen Dee

16 May 2004 ID P5166372

Front forks showing brakes, and braze on for front carrier.  Dual front brakes, with separate cables from the single lever.

ęStephen Dee

16 May 2004 ID P5166380

Front handlebars with extensions added.  The lower lever on the left is to control the Arai hub brake.

ęStephen Dee

16 May 2004 ID P5166376

Detail of the dual brake lever conversion from a single lever.  this has the advantage that both brake cables can be adjusted separately.

ęStephen Dee

16 May 2004 ID P5166371

The Shimano STX RC rear gear changer.

ęStephen Dee

16 May 2004 ID P5166377

Left side of the handlebar showing the brake lever with the two Suntour power shifters.  The upper one is the front gear changer and the lower one is the Arai brake lever.

ęStephen Dee

16 May 2004 ID P5166378

Rear end view showing SJS Thorn expedition rack, mudguard, V brake and Arai drum brake. 

ęStephen Dee

16 May 2004 ID P5166370

Rear end view showing SJS Thorn expedition rack, mudguard, V brake and Shimano LX rear changer and chain rings.  The rear Thorn cranks are 155mm long.

ęStephen Dee

16 May 2004 ID P5166386

Rear end view showing SJS Thorn expedition rack, mudguard, V brake and Arai drum brake.  Note the "X" bridge.

ęStephen Dee

16 May 2004 ID P5166385

Rear end detail showing rack fitting and "X" bridge with mudguard fixed to the bridge.

ęStephen Dee

16 May 2004 ID P5166369

Middle handlebars with fixed length stem and SJS stoker bars.  Front Brookes leather Conquest saddle.  Note matching red springs.

ęStephen Dee

16 May 2004 ID P5166373

Rear handlebars with adjustable length stem and SJS stoker bars.  The saddle is a SelleRoyal Soft Ride.

ęStephen Dee

16 May 2004 ID P5166374

Thorn front crank with crossover drive on the right.  Crank length is 175mm.

ęStephen Dee

16 May 2004 ID P5166383

Middle Thorn crank, with the crossover drive for the middle on the left.  Crank length is 165mm.

ęStephen Dee

16 May 2004 ID P5166384

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Page last modified 2 Jan 2006