Sram CrankSet Apex GXP 172.5MM XSYNC 1X11 Speed Size:42T More durable than standard indoor

More durable than standard indoor bike pedals to withstand repeated

ISM seats are bike seats where you really sit on

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Max Height: Clamp Height 55″ (139cm)

Sram CrankSet Apex GXP 172.5MM XSYNC 1X11 Speed Size:42T More durable than standard indoorFeatures Patented X Sync chainring technology provides unparalleled chain retention as part of a complete SRAM 1x system Integrated 4 arm, asymmetric spider maximizes stiffness to weight Greater frame and tire clearance than other road cranks, 2mm per side SRAM 1x road 10 speed and 11 speed compatible Compatible with 130 and 135 142 OLD frames Aluminum chainring and crankarms