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Key features: - Blendr works with this simple formula: Stem + Base + Mount. Add accessory. - Bases for use with Bontrager Pro Blendr stem - Add any XXX accessory mount (sold seperately) for an elegant, integrated look

Upgrade or refresh your Bontrager wheels. - Sealed cartridge bearing for long life - LLH seals for the best combination of low resistance and durable sealing

Keep your seatpost right where you left it. Upgrade to a quick release seatpost clamp for easy seat height adjustments. - Follow laser-etched torque listing on collar

Upgrade or refresh your Bontrager wheels. - Sold in packs of three for easy upgrades to 108 tooth engagement - Use 3 pawls/springs for 54 tooth engagement - Use 6 pawls/springs for 108 tooth engagement - Springs sold separately

• Fits all Trek kids' bikes • Super-strong steel derailleur guard

- Saddle clamp for straight seatpost - Diameter: 22.2mm

Bontrager's Speed Concept Seatpost Cap lets you get your position dialed for your next triathlon or time trial. Two different saddle offsets and widely a adjustable saddle angle means you'll find the perfect fit for your race against the clock.