Bontrager Rapid Drive 11/12-Speed XD Driver Body Cycling Computers The ventilated belly pad brings

The ventilated belly pad brings in cool air and the MAX COVERAGE ASD protects you like the pros

Made from lightweight material with moderate compression and constructed to support a greater range of movement

Aer-Tec Thermoregulation System + Pro-Approved Polyester + Synthetic Leather: Aer-Tec powered system allows maximum breathability and airflow

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Bontrager Rapid Drive 11/12-Speed XD Driver Body Cycling Computers The ventilated belly pad bringsBontrager Rapid Drive 11 12 Speed XD Driver Body Upgrade or refresh your Bontrager wheels. Genuine replacement parts Whether you're looking to upgrade to the newest and freshest drivetrain or simply hoping to refresh your trusty wheelset, Trek Genuine Replacement Parts have you covered. Product details Replacement freehub body Compatible with Bontrager Rapid Drive 108 hubs Pawls and springs sold separately Install 3 pawls springs for 54 tooth