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Can someone who knows about wheelbuilding tell, from the stats here, if I'll be able to reuse the rim and spokes from my SRF 3 build and just swap in the SRF 5? It would keep the cost of changing hubs down significantly. Both would be 36 hole.
Is there a difference between the SRF 3 and SRF 5 shells? If not, you could avoid a wheel build by swapping the internals.
Emyr
gbj_tester
I've been running the excellent 3 speed Sturmey Archer SRF 3 on my Pompino for maybe 18 months now, and it's great. I have it so the top and bottom gears are something like 70 and 40 inches.
But it's not enough for me to get up steep hills loaded, at the end of a long day when the paths are muddy or what have you.
So I want to get a 5 speed SRF 5, which should allow me, according to Sheldon, a range of roughly 70 to 30 inches. Not a huge difference for the money, but I reckon it will be enough, and it's a lot cheaper than buying a new bike, and I love my Pompino so I'd rather not have to go derailleur.
Can someone who knows about wheelbuilding tell, from the stats here, if I'll be able to reuse the rim and spokes from my SRF 3 build and just swap in the SRF 5? It would keep the cost of changing hubs down significantly. Both would be 36 hole.
https://www.sjscycles.co.uk/hubs-internal-hub-gear-brake/sturmey-archer-srf3-3spd-aluminium-freewheel-hub-36-hole/
https://www.sjscycles.co.uk/hubs-internal-hub-gear-brake/28-hole-sturmey-archer-srf5-5spd-hub/