Simmonsohn Karlstad 3QKarlstad Detail 03Karlstad Detail 02Karlstad Detail 01Karlstad1Karlstad2Karlstad3Karlstad4Karlstad5Karlstad6Karlstad7Karlstad8

£649.00 £449.00£649.00 INC VAT.

The Karlstad is the top level bike in the Simmonsohn adventure series. We think it’s perfect for the couple who want to explore tandem paths, tracks, roads and lanes. Running on slightly larger 700c wheels the Karlstad can cover more miles than the mountain series but can still handle some extra weight and some light rough.

The Karlstad features Simmonsohn’s triple triangle aluminium adventure series frame. The new frame design results in a low step over height for the stoker position. Up front is a responsive, lightweight Cromoly fork. The upgraded 24 speed transmission system comprises of Shimano EZ fire push button gear shifters with super precise Shimano derailleurs.

The large range of gear ratios will help you cope with everything the terrain throws at you. Front and rear Tektro alloy V type brakes coupled with Simmonsohn double wall rims and Schwalbe Marathon tyres give excellent control on the road or tracks.



SKU: N/A Category:
Model Type Adult Aluminium Adventure Series Tandem.
Frame Construction Oversize tandem specific aluminium tube set with one set of bottle cage bosses, 4 point rear pannier bosses, rear mudguard bosses and replaceable dropout.
Forks Unicrown Cromoly fork with mudguard bosses.
Wheel Size 700c
Gear Systems Shimano 24 speed indexed gears with STI push button selection. Shimano Acera rear gear derailleur. Shimano Altus 31.8mm dual pull front derailleur. Shimano Altus ST-M310 EZ Fire gear shifters with push button selection. KMC chains.
Chainsets Front Prowheel 42T single chainset with alloy cranks and chainring chainguard. Rear Prowheel 24T, 34T, 42T triple chainset with alloy 170mm cranks.
Freewheel/Cassette Shimano CSHG30 8 cassette.
Bottom Bracket Eccentric sealed cartridge bottom bracket for correct chain tension.
Pedals 9/16 alloy platform with reflectors.
Wheel Specification Simmonsohn black alloy double wall 48H CNC rims with front and rear KT quick release alloy hubs. Stainless steel black spokes with 13G brass nipples.
Tyres and Tubes Front and rear 700 X 38c Schwalbe Marathon with Green Guard Puncture Protection. Presta valve tubes.
Brakes Front and rear Tektro alloy V type brakes with Shimano ASTM310 levers. Levers have reach adjust facility.
Handlebar and Stem Front Zoom 640mm wide oversize alloy handlebar. Rear Zoom 640mm wide alloy handlebar. Front Zoom adjustable angle alloy oversize 110mm stem. Rear Zoom tandem alloy adjustable reach stem.
Grips Front and rear 120mm dual compound comfort.
Headset FSA ahead type full bearing. 3 X alloy headset spacers.
Saddle and Seatpost Front Selle Royale Look In Gents, rear Selle Royale Look In Ladies. Zoom 27.2 alloy micro adjust seat post (300mm front, 350mm rear).
Additional Front bell. Reflectors. Rear pannier rack with straps. Front pannier racks. 700c black full mudguards.
Weight 21.4kg.
Frame Sizes 20/18 and 18/15.
Frame Colour White.
Fork Colour Black.
Cycle Condition Brand new sealed in box. This bike comes 90% built. Fitting of pedals, handlebars/stem, front wheel and saddles/seatpost required. Chain tension, gears and brakes will also require some adjustment prior to riding.

Free UK Delivery on All Orders

All goods are in stock and delivered within 2 working days of cleared payment.
Items are delivered Monday to Friday between 9am and 6pm by our couriers, a signature is required upon receipt of goods.

When your order is despatched our system will automatically send you an email. We only use premium next day delivery services, so you can expect your order the following day.
Delivery on all Tandems is free of charge.

Further Details

We can deliver your tandem to an alternative address of your choosing, you have the opportunity to provide this as the “ship to address” when completing your order.

If you require a change to the shipping address after the item ships you will be liable for a charge.

Should you be unavailable to sign for your tandem it will be returned to the couriers local depot and a card will be left for you to re-arrange delivery.

For legal reasons couriers cannot leave packages unsigned for and any requests for items to be left in the porch/shed/garden, will be disregarded.

Please note any issues relating to damage of goods during transit must be reported immediately and signed for accordingly, for us to proceed with a claim.

We suggest that, initially, you retain the packaging. Although a tandem box is quite large, it can be easily flattened and stored so, in the unlikely event that you need to return your Simmonsohn tandem, you will have suitable packaging.

All cycles including those “fully assembled” are shipped with pedals removed and handlebars rotated to side for safety reasons.

Unwanted goods
If you change your mind and decide you no longer want an item that we’ve delivered, we’re happy to offer you an exchange. You’ll need to return your item unused and in its original packaging along with the original packing note and invoice (as proof of purchase).

If product is found to be faulty within 30 days, you’re entitled to ask for a full refund of the faulty product. If a fault occurs after the initial 30 days, we’re entitled to repair and/or replace that item. If it can’t be repaired or replaced, then you may be entitled to a refund. Advice about your legal rights is available from your local Citizens’ Advice Bureau or Trading Standards office.

If the purchase is unwanted you will need to cover the cost of postage. However, if the item you’re returning is faulty we’ll refund the postage once we’ve received the item and checked the fault.

Returns Policy

If the purchase is unwanted you will need to cover the cost of postage. However, if the item you’re returning is faulty we’ll refund the postage once we’ve received the item and checked the fault.

Tandem Frame Sizing

Our tandem bikes will show two numbers in each frame size, the first number relates to the Captain (front) position and the later to the rear (Stoker) position. The size of the frame is measured in inches from the top of the frame at the point where the seat post is inserted, down to the centre of the axle carrying the pedal arms (bottom bracket). We quote the stand over height (distance from the top of the highest tube in front of the saddles to the floor) at the Captain and Stoker position on each frame.

Frame Sizing 26” wheel tandem (Mountain Series)

A 19”/16” is suitable for Captains about 5’6 upwards and Stokers from 5’. Stand over is 28.5” on the Front and 25” for the rear.
A 21”/18” is suitable for Captains around 5’9” upwards and Stokers from 5’4”. Stand over 30” on the front and 27” for the rear.

Frame Sizing Aluminium Hybrid/Touring 700c wheel (Adventure Series)

An 18”/15” is suitable for Captains from around 5’7” upwards and Stokers from 5’ 1”. Stand over 27” at the front and 26” at the rear.
A 20”/18” is suitable for Captains from around 5’9” upwards and Stokers from 5’ 4”. Stand over 29” at the front and 28” at the rear.

Frame Sizing Reynolds Steel Hybrid/Touring 700c wheel (Classic Touring Series)

A 19”/15” is suitable for Captains from around 5’8” upwards and Stokers from 5’ 1”. Stand over 29 1/2” at the front and 23” at the rear.
A 21”/17” is suitable for Captains from around 5’10” upwards and Stokers from 5’ 2”. Stand over 30” at the front and 25” at the rear.

Captain Stoker
Simmonsohn Series Frame Size Wheel Size Rider Height Standover Rider Height Standover
Mountain Series 19/16 26" 5'6" + 28.5" 5'0" + 25"
Mountain Series 21/18 26" 5'9" + 30" 5'4" + 27"
Adventure Series 18/15 700c 5'7" + 27" 5'1" + 26"
Adventure Series 20/18 700c 5'9" + 29" 5'4" + 28"
Classic Touring Series 19/15 700c 5'8" + 29.5" 4'11" + 23"
Classic Touring Series 21/17 700c 5'10" + 30" 5'2" + 25"




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