SRAM Red FlatTop E1 Chain Speed: 12/13 Links: 114 Multicolor MFPN=ARMWC101 This shaft replaces the stock

This shaft replaces the stock shaft with a spindle that can accept two roto brushes

Challenge the competition

It fits well over the ears

then CNC machined aluminum

SRAM Red FlatTop E1 Chain Speed: 12/13 Links: 114 Multicolor MFPN=ARMWC101 This shaft replaces the stockHollowPin construction is lighter and stronger than a solid pin, and cutouts in the outer and inner plates drop 13 g from the previous generation. Flattop technology enables a narrower chain with quieter operation and increased strength and durability Hard Chrome plated inner link plates and rollers for reduced wear and prolonged life. SRAM Model ID: CN RED E1 TECH SPECS Speed 12 e Bike approved No Primary Color Multicolor Link Type Powerlock Links 114