Bike Single Speed Steel Freewheel Cog 12-18T Flywheel. 1 Freewheel. The smaller the number of teeth, the faster the speed. If the rear flywheel is 16-tooth and you use the 12-tooth rear flywheel, then its speed can be increased by 30%.
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Shimano Ultegra R8000 Road Bike Bicycle 11 Speed Cassette Freewheel 11-25T 11-28T 11-30T 11-32T 11-34T Original Shimano
Aliexpress UK
Outer body cog: cold forged steel. Inner body cog: cold forged steel. Available in 16 to 18 teeth sprocket. Thread - BSC 1.37 x 24 tpi. Colour: Silver. Bearing: loose ball. Style: Free Wheel for Chain.
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SUNSHINE 10 Speed Cassette 10S 11S 12S MTB Bike Road Bicycle Freewheel 10V 11V 12V 36/42/46/50T 52T for Deore M6000 M6100 SRAM
Aliexpress UK
This freewheel was used on for race bikes with or without deraiuller. 1 x Single Speed Freewheel. Suitable for Fixed Gear Bike,single speed flywheel,removable. Needed to complete that old school bm bike.
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Shimano Deore 10 Speed Bike Cassette M6000 M4100 HG50 CS-M4100 10S 10V SLX XT MTB Mountain Bicycle Freewheel HG500 for Road Bike
Aliexpress UK
We strike to be market leader in the sporting industry. We have a huge range of products that covers cycling, swimming, running, motorbike and gym. Repellat cum officiis aspernatur numquam minus quaerat?.
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Shimano Deore CS M5100 11 Speed Cassette Sprocke Freewheel for Mountain Bike MTB CS-M5100 11-51T 11S 42T Bicycle 11V
Aliexpress UK
Imperial thread 34mm. Bicycle single-speed live flywheel: 16/18/20/22/24T, excellent quenching, high strength, impact resistance. 1pc x Bicycle Single Speed Flywheel. Precision threads: The hub is tightly fixed, polished by high-precision machine tools, and the threads are clear.
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SENSAH Mountain Bike 8 9 10 11 12 Speed Velocidade Bicycle Cassette MTB Freewheel Sprocket 40T 42T 46T 50T 52T for HG HUB
Aliexpress UK
As described, new, boxed
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ZTTO MTB Road Bike 8/9/10/11/12 Speed Cassette 11v 25T/28T//30T/32T/34T/36T Sprocket K7 10v Bicycle Freewheel
Aliexpress UK
Thread - BSC 1.37 x 24 tpi. Bearing: loose ball. An envelope icon next to the order will show that it has been dispatched and if you hover over it with your mouse you will see the date of dispatch. Color: Silver, Quantity: 1 Piece.
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SUNSHINE Black Bicycle Freewheel MTB Bike Cassette K7 8/9/10/11/12 Speed SHIMANO HG Structure Specification for SHIMANO SRAM
Aliexpress UK
Type：freewheel. 12 teeth design. Material: steel. Color：seen in the picture.
eBay
SPEDAO 12s MTB Cassette 10-50T 12 speed CNC Bike Freeewheel Fits XD Super Light CNC Bicycle Flywheel Cr-mo 12Speed freewheel
Aliexpress UK