Single Speed Chains

Moruya Bicycles stocks the SRAM PC1 nickel plated 1/8" chain for single speed and internal hub-geared bikes. Single Speed Mountain Bikes will generally use a 3/32" chain (definitely if it's a conversion from a geared mountain bike) and so the chain to use is one compatible with the number of gears the bike started with, since that's what the chainrings and cassette sprockets will need.

Dice Daisy Chain 3/32" Gold
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79703
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The Dice Daisy Chain's half-link design enables you to cut the chain and rejoin it at every link (rather than every second link in a normal chain) making it ideal for single-speed or internal hub-gear applications when there is little room for chain tension adjustment.

Shipping Weight: 419g.

Dice Daisy Chain Joining Pin 3/32"
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00139
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dice-daisy-chain-pin
Though similar in appearance (and obviously in function) to Shimano's various chain joining pins, the Dice Daisy Chain Joining Pin is a longer pin and is not interchangeable with Shimano's chain pins.
Length: 20mm. Shipping Weight: 3g.

SRAM Chain 1/8" PC1 Brown
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00315
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SRAM quality chain with snap lock connector. 114 links - long enough for any bike.

1/8" chain; suitable for standard single-speed and internal hub-gear bikes. The difference between this chain and a 1/8" BMX chain is that this one is long enough for a larger bike.

Weight: 336g.