Park Tool CM-25 Professional Chain Scrubber CheckoutTitle=SRAM RED XPLR X-Sync Thread Mount Chainring - 38t We have used organic cores

We have used organic cores like Baltic birch

Hydraulic Bottom Out Spring Adjustments Preload Damping Adjustments External rebound 2 position (open/firm) HS&LS compression Hydraulic Bottom Out

Material: black oxide steel

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Park Tool CM-25 Professional Chain Scrubber CheckoutTitle=SRAM RED XPLR X-Sync Thread Mount Chainring - 38t We have used organic coresPark Tool CM 25 Professional Chain Scrubber. The Park Tool CM 25 Professional Chain Scrubber is a shop quality cleaner built to give years of constant use. Proven chain scrubbing technology leaves chains sparkling clean Durable A380 aluminum die cast case and removable handle Dual sided sponges and wicking pads to help reduce drips Rotating brushes clean on all four sides of every link Brush and sponge cartridge quickly and easily clicks in and out