700c Thorn Disc Steel Fork - Blue Imron

£135.00 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
Our Thorn 700c Reynolds 525 Steel Disc Forks have an ISO disc mount, direct fitting stainless mudguard bosses, stainless open brake line guide and stainless bosses for lo-loader carriers. The L1 dimension (centre of axle to crown race seat) is 383mm. They're suitable for use with mudguards, using tyres up to 40c and they're available in 46mm or 52mm fork offset in 5 different colours. They have a high quality cast fork crown and weigh 1255g with the 380mm steerer (the steerer may be cut down to suit, which also reduces the weight by 1.03g per mm).

They've been designed to fit our Rohloff equipped Thorn Mercury and/or our derailleur equipped Thorn Club Tour MK4 but they'll also be suitable to retrofit to many non-Thorn frames - check the required L1 and offset.

- Steerer: 1 1/8"
- Offset: Choice of 46 or 52 mm
- L1 (Axle to Crown): 383 mm

- For sealed and unsealed solo road touring use only
- NOT suitable for stunts, jumps or serious off road use and abuse
- Max. Rotor Size: 183 mm
- Max. Load: 5 kg per side
- Max. Rider Weight: 130 kg
- Check carrier mounting carefully (especially if not using Thorn MK5 Lo-Loaders)
- Lower carrier mounts need spacers to clear rotor
- NOTE: ISO disc mounts may require facing
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How Big Of A Tire Will Fit?
20 Jun 2016
I want to run a Schwalbe Big Ben, which measures 47 mm on my rims. I'd like 10 mm or more between tire and crown, but if I can squeeze it in without rubbing on true wheels, that would be good too.

These forks have clearance for 40mm tyres with full mudguards fitted so you should be fine for fitting 47mm tyres without mudguards.