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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
Rennen chainrings at J&R Bicycles are precission machined from aircraft quality 7075-T6 aluminum (83% stronger than the 6061 many brands use) Rennen chainrings are 3/16" thick and are made for the stress of the top BMX racers and conditions
SIZE: M10 x 1
Rim Width (Internal): 24 mm
Reach: 40mm
625″ WEIGHT 1
Profile Spline-Drive Spider-5-Arm-19mm Color:Black Rennen chainrings at J&R BicyclesSPECS: MATERIAL: CNC machined in the U. S. A. from 6061 aluminum. USE: Works with most 3 pc chromoly cranks and 48 splined 19mm spindles (made with offset for outboard bottom bracket Profile). Allows you to use 5 Bolt chainrings. SIZE: 110mm bolt pattern for 5 bolt chainrings. NOTE: Spline Drive Spiders slide directly onto 48 splined 19mm spindles and do not require a gear bolt to attach to crank arm. Weight: 2. 95oz 84g
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