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Rings begin life as aerospace-grade 6061-T6 aluminum alloy for the middle and outer rings and 7075-T6 for the granny gears, then CNC-machined to the highest tolerances possible - one at a time. 8, 9-speed compatible. Made in USA.
Made in the USA
Latest CNC design and manufacturing
6061 Aircraft Aluminum
135mm
42T
9-Aug
THE PRICES, SPECIFICATIONS AND PHOTOS SHOWN IN THIS CATALOG ARE NOT SUBJECT TO ANY CONTRACTUAL OBLIGATION AND MAY CHANGE DURING THE SEASON
Rings begin life as aerospace-grade 6061-T6 aluminum alloy for the middle and outer rings and 7075-T6 for the granny gears, then CNC-machined to the highest tolerances possible - one at a time. 8, 9-speed compatible. Made in USA.
Made in the USA
Latest CNC design and manufacturing
6061 Aircraft Aluminum
135mm
42T
9-Aug
THE PRICES, SPECIFICATIONS AND PHOTOS SHOWN IN THIS CATALOG ARE NOT SUBJECT TO ANY CONTRACTUAL OBLIGATION AND MAY CHANGE DURING THE SEASON