Fiend Omicron Guard Sprocket - Matt Black 25 Tooth

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Fiend Omicron Guard Sprocket - Matt Black 25 Tooth

The new Fiend BMX Omicron guard sprocket is CNC machined from 6061 Aluminium to create both a unique and lightweight guard sprocket. The CNC cut outs allow the chain to be visible from the front view which is unlike any other guard sprockets on the market. The width of the guard that protects the chain is approximately 6mm.

The core of the guard sprocket is 24mm so will fit onto any 24mm crank spindle without an adaptor. If you are using cranks with a 22mm spindle, there is an adaptor included with the sprocket. If you are using a 19mm crank spindle you can click here to buy one separately.

Standard delivery service 1-2 days

Orders under £50 are £3.95

Orders over £50 are Free


  • We will do our best to ship all ‘in-stock’ orders that are placed before 2pm on the same day (excludes weekends).
  • Highlands, Islands and off-shore UK destinations should allow extra time because of their remote locations.
  • All orders placed during the weekend will be dispatched the following working day.



All UK orders are dispatched with Royal Mail or Fedex and can be fully tracked & traced online.


Please contact us within 2 days of delivery listing any missing or damaged items.

Before returning any items you must first contact us to obtain an RMA (Return Merchandise Authorisation). The RMA will help us to speed up the return process. 


Please contact us directly to find out the warranty policies for specific brands and products as these may vary from product to product. When contacting us regarding warranty issues please include pictures to assist the return procedure.

RETURN ADDRESS: Backyard Returns, c/o Seventies BMX Distribution, 51 Woodland Vale Road, Hastings, St Leonards-on-sea, TN37 6JJ

Email: info (at)

Phone: 01424 857239