Surly Instigator Rigid Fork
Surly Instigator Rigid Fork
Top Features of the Surly Instigator Rigid Fork
- Heavy Duty Rigid forks
- Designed to replace a 100mm suspension fork
- Thick walled single butted 4130 Cr-Mo
- 31.8 to 28.6mm tapered straight Cr-Mo blades
- Fat tyre (up to 2.7") clearance
- Disc mount and removable Canti pivots
- Axle to Crown: 447mm
- Rake: 43mm
|Fork Material:||Aluminium Alloy|
|Wheel Size:||26" (559)|
|Dropout Size:||9mm QR|
Instigator Suspension Correct Disc, AH Cr-Mo with high crown to correct suspension specific frames.
About the Surly brand
Surly Bikes manufacture a wide range of bikes, frames, parts and accessories. Surly are based in Boomington, Minnesota USA and were established in 1998. The company aims to build solid, quality components for a reasonable price.
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Product Q & A
Ask your questions and share your answers.
I have read before that the manitou Axel Comp shocks that I have on my bike whilst only 80mm of travel have a Crown to Axel length of around 500mm.
I have seen a web post stating that a CtoA of 445 was OK.
Any one know if these forks will work OK.
Their CtoA is 447mm but they are for a 100mm of travel.
Just need to understand if this makes any difference if the CtoA is still an acceptable length.
The travel on your old forks is not the key factor, as obviously there will not be any travel at all on the rigid forks. What you need to do is measure the AtoC under typical conditions of sag. To do this, sit on the bike and either have someone measure AtoC, or use a cable tie to mark the sag position and subtract from the unweighted measurement. So say your current AtoC is 500mm and you run at 50mm of sag with you on the bike, that gives an AtoC of 450, which is close to 447.
As long as the AtoC is within a few cm and the steerer tube is the same diameter (1/18''), it should be a runner and you will not be disappointed.
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