Shimano SF-1200 Freewheel Sprocket

Chainring Size

Shimano SF-1200 Freewheel is a solid choice when you want to use a brake. Compatible with most flip-flop style hubs and wheelsets. 

SPECIFICATIONS

FREEWHEEL THREAD
English
CASSETTE BODY TYPE
Threaded, Standard
CHAIN COMPATIBILITY
1/2" x 1/8"
WEIGHT
166g
FREEWHEEL THREAD
English
CASSETTE BODY TYPE
Threaded, Standard
CHAIN COMPATABILITY
1/2" x 1/8"
WEIGHT
166g

Customer Reviews

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J
Jeffery Cruzan
20-tooth ½”x1/8” Shimano single-speed freewheel

Good solid product, good service even during pandemic. I’m ordering an 18-tooth because going from 42/18 to 42/20 with this freewheel adds 35 pedal revolutions per mile on 700c wheels. On flats without huge hills, the 42/18 setup is fine.