Gravity Bike Chain Guides

Gravity Chain Device image Gravity Chain Device

- 7075-T6 heat treated aluminum boomerang and 13mm thick clear polycarbonate bashguard work together to prevent chain drop
- Glass impregnated composite upper slider, sealed bearing lower pulley
- Works with 32, 34 or 36 tooth single chainring
- Comes fully assembled, stainless steel hardware included. 218g
- ISCG (IS): 59.2mm-BCD 3-tab direct-mount, also includes adapter for flanged bottom bracket cup mount
- ISCG-05 (IS-05): larger 73mm-BCD 3-tab direct mount, also includes adapter for flanged bottom bracket cup mount
- See and/or for more information

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