Description Overview – ISIS cranks forged from high quality 6061 aluminum alloy. – Standard 1.37″ x 24 TPI thread to accept a front freewheel or screw-on fixed sprocket. – Wide threaded section allows a bash guard to be used if desired. – Super stiff and strong yet still light enough for competition use. – Tough anodized matt finish, with laser-etched Trialtech logos. – 165mm and 175mm lengths available. – Black finish only. – Weight: 494g (165mm length) and 520g (175mm length). Additional Failure to keep your pedals tight is likely to invalidate the warranty on these cranks. Always ensure freewheel/screw-on sprocket threads are greased before installation. Please note that the minimum required thread contact between the crank arm and sprocket/freewheel is 7mm, and a 1.37″ sprocket/freewheel with maximum internal thread diameter 33.80mm (NOT 1.375″) must be used. Failure to adhere to this instruction will damage the cranks threads and this is not covered under warranty.
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