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Rhythm Section Expert Cassette Hubs
The Rhythm Section Expert cassette hubs are made from CNC machined 6061-T6 aluminum hub shells with 3/8" chromoly axles for increased stiffness, aluminum hardware and precision sealed bearings throughout. The aluminum driver is Shimano compatible and features a multi-splined 3 pawl engagement system creating 204 points of contact for near instant engagement and off the line acceleration. Includes aluminum lockring and 16T Crupi aluminum cog. 28H. (18.3 oz - Pair)
Front OE Replacement Parts Center Axle: 3/8" Chromoly Axle Bolts: 6x1mm Hardware: Aluminum Hub Shell Bearings:6900 (x2) Weight: 5.6 oz
Rear OE Replacement Parts Center Axle: 3/8" Chromoly Axle Bolts: 6x1mm Driver: Aluminum w/ Shimano Style 16T Alloy Cog Driver Bearings:6900 (x2) Driver Pawls: 3 Pawl Splined Design Driver Spring: Single Wraparound (x1) Hardware: Aluminum Hub Shell Bearings:6900 (x1) Drive Side / 6000 (x1) Non-Drive Side Weight: 12.7 oz w/ 16T cog
For lockring removal, check out the Park FR-5 lockring removal tool.