The rings utilise a variable thickness tooth for optimised chain retention during aggressive descending and high speed pedalling. Strong enough for DH and Freeride yet light enough for Enduro and XC.
The extra thick tooth also improves chainring longevity by providing more drive contact area to the chain and is machined in Whistler from 7075 Aluminium.
Chainrings are fitted to the crank arms and come in single, double or triple configuration. Most geared bikes use a 3/32 inch width, whereas 1/8 inch is the popular choice for track bikes and some single speeds due to its increased strength which is needed when riding a fixed wheel. Chainrings are available in a number of formats, these are known as PCD's (Pitch Circle Diameter) or BCD's (Bolt Circle Diameter), this is the spacing of the bolts that secure the rings to the crank arms. Common sizes are 74mm inner ring Shimano MTB, 110mm middle and outer for Shimano MTB, 110mm for most compact chainsets to allow for the smaller ring combo's, 130mm for Standard Shimano Road and 135mm for Standard Campagnolo road chainsets.
Based in Whistler, British Columbia, North Shore Billet has been producing high quality CNC machined products for the bicycle industry since 2003 . All their parts are made in house using aerospace grade aluminum and utilizing the latest metal cutting technologies, high speed machining centres and manufacturing cell techniques. Each North Shore Billet component is engineered to the highest quality and strict quality control systems guarantee consistency and reliable performance
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Wiggle Ltd. 1000 Lakeside, Suite 310, Third Floor N E Wing, Portsmouth, Hampshire, PO6 3EN, United Kingdom /
Company No: 2667809 /
VAT No: 884 2571 94
There are no facilities for customer collections or returns at this address. Please ensure any returns are processed as instructed on the Help page - Returns.
Executive Director: Will Kernan.