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Trek-compatible seat mast cap
Offered in white and black and a variety of lengths and offsets, the mast cap includes hardware compatible with round saddle rails only. 7x10mm carbon rail-compatible hardware sold separately.
Key features:
- Ultra-light carbon construction
- One bolt head design offers easy fore-aft and infinite angle adjustment
- Compatible with all Trek road bikes with round seat masts
- 175mm and 135mm lengths
- 5mm and 20mm offsets
- Aluminum clamp
Option | UPC | MPN | Store SKU |
---|---|---|---|
Black / N/A / 135mm / 20mm | 601479788828 | 559538 | SEA44685715K |
Black / N/A / 175mm / 20mm | 601479788798 | 559539 | SEA44855354K |
Black / N/A / 135mm / 5mm | 601479788811 | 559540 | SEA4342844K |
Black / N/A / 175mm / 5mm | 601479788804 | 559541 | SEA43657193K |