- The DMR Speed Guide will keep your chain under control & firmly on the chainring when it really matters
- Sensible in both price & design & its simplicity is what makes it such a good chain device
-- Upper cage has stainless steel hardware & high-density polyethylene guides to keep the chain in place.
- Lower guide features a DMR polyurethane pulley running on 2 sealed cartridge bearings, which is adjustable to keep the chain ‘locked’ on to the chainring
- Tough & durable stainless steel construction – will not rust
- Made in the UK