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128mm x 10mm
Genuine replacement parts
When it's time to refresh your trusty bike, Trek Genuine Replacement Parts have you covered.
Product details
- Affordable alloy seat mast cap
- The 2-bolt design offers independent set-back and tilt adjustments
- Compatible with all Trek road bikes with round seat masts
- 10mm offset only
- Includes 7x7 mm round rail clamp compatibility
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Review Trek Round Alloy Seatmast Cap & 7mm Ears 128MM