SRAM Red Flattop Hollow-Pin Chain 12sp 120 Link Rainbow CheckoutSpec= Splined Driver Body Compatible this spacer kit is only

this spacer kit is only compatible with cogs that have a base width over 4mm

Unique Aero Blade structure on top accelerates windflow and adapts to different speeds and inclinations of the head

Brake Caliper Type Post Mount Mount | Rotor Size 160 Post | 170 Rotor

Designed for use with SRAM Mineral Oil Bleed Kit only

Disc Diameter 160mm Disc Material Stainless Steel Hardware Yes Hub Compatibility ISO 6B

SRAM Red Flattop Hollow-Pin Chain 12sp 120 Link Rainbow CheckoutSpec= Splined Driver Body Compatible this spacer kit is onlySRAM RED Flattop Chain 12 Speed 120 Links Flattop PowerLock Rainbow D1. The SRAM RED AXS 12 speed Flattop Chain features a unique link shape that allows the chain to be narrower and lighter while increasing strength and providing more tolerance between cogs. Flattop technology enables a narrower chain with quieter operation and increased strength and durability Compatible only with eTap AXS rear derailleurs Hard Chrome plated inner and outer plates