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Thorn Mercury 580L Green Touring Bike - NEARLY NEW

£2,999.00
was
£2,999.00 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
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Questions & Answers (1) Q & A
Details
This bike has been returned under our 100 day guarantee, its just not worked out for the customer and a different size was offered instead. The bike has ridden approx. 50 miles on sunny days and dry roads. To all intense and purposes it’s a new bike and guaranteed as such.

The bike suits someone of 5ft 10" - 6ft 1" if unsure of size please contact us 01278 441505 or sales@thorncycles.co.uk

Frame: Thorn Mercury Frame - 700c - Retro Green - 580L, 700c Thorn MER853VC Steel Fork - 46 mm Offset - Green Gloss Imron.
Transmission: Rohloff Speedhub 500/14 CC 14 Spd Gear Hub, Thorn 130 PCD EX Bearing Single Crankset - With Integral Bottom Bracket - 170 mm, Thorn 130mm BCD 5 Arm Reversible 3/32 Inch Single Chainring - Black - 43T, KMC X1 Rohloff compatible 1/2 inch x 3/32 inch chain.
Brakes: TRP Spyke MTB cable operated rear disc brake, XT front V brake and XT V brake levers.
Wheels: Rohloff Speedhub 500/14 CC 14 Spd Gear Hub 32h Black with DISC fitting inc. 17T Sprocket & Tandem Axle Plate, Hope Mono RS Front Hub - Black - 32 Hole, Rims BLACK one each of DT Swiss TK540 DISC Rear, non disc Front 700c, 29er road rim - 32h, Tyres FOLDING - Schwalbe Supreme 700 x 35 & presta tubes.
Finishing Kit: Kalloy AS-009 UNO 1 1/8 Inch Ahead Stem +17 Deg - 25.4mm Clamp - Black - 120mm, Ergon GP5-L Anatomic Grips - Large - Black, Thorn MKIII Flat Track Bars - 10 Deg - 25.4mm Clamp - 580mm - Black, SKS / Thorn Chromoplastic Mudguards - 700c - P45 - Black, Brooks B17 Standard Leather saddle Honey with black steel rails.
Accessories: Cateye TL-LD1100 10 LED Opticube Rear Light including mounting bracket, Shimano PD-M520 SPD Pedals - Silver, Profile Design bottle cages x 3 Kit, Tubus Airy Carrier, 6 Spare Spokes,
Thorn Ping Bell - 22.2mm - Black.
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Questions & Answers (1)
Rear Wheel Build
By
07 Jan 2017
Already asked some questions about this bike but still await answer. I am quite interested , but I notice the Rol has been built with all the spoke heads to the outside of the hub, which to my mind puts a bending moment at the pulling spoke heads. I have built all my own wheels for over the 40 years I have been cycling, I am in Aircraft Engineering. I am not criticising this, there may be valid reasons, but this is something I have never seen. I look forward to your reply.
SJS Customer Service:
Historically we USED to build all our “normal” wheels x2 and laced with the cross on the left side not going over the threaded boss of the cover plate (as per Rohloff’s stipulation @ that time), later, we changed to the cross going over the boss as we determined (and agreed with Rohloff) that this was better for the hub flange.
On our 26 in bikes the spoke holes in the rim are “directed” IE they face the right way so that the spoke doesn’t bend as it enters the nipple so the laced x2 pattern is used.
On our 700c bikes, that have lighter, eyeletted rims if we built x2 the spoke angle entering the nipple would mean that the spoke bent at this point, given that the spoke is threaded here (which would be a stress riser) there’s a good chance of spoke failure, hence the need to x1
HOWEVER the cross then comes too near the hub flange to be laced as the deflection at the cross would be too great so the spokes are fitted in the flange from the same side. Going in (as opposed to out) is selected for 2 reasons, the angle at the rim is reduced slightly and there is no bending force applied to the hub flange.