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Smart Assist technology provides smooth pedal assistance that engages instantly when you apply power
If you are looking to complete the only chain waxing system on the market today
Press-fit end caps allow tool-free maintenance and conversion Rear Axle 12mm Thru x 148mm Cassette Body Type Shimano HG Color Black Skewer Included No Bearing Type Sealed Cartridge Defined Color Black Spoke Interface J-Bend Hub Drilling 28 Hub/Brake Compatibility 6-Bolt Disc
Symmetrical teeth on the internal chainring
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Shimano GRX ST-RX820-R Shift/Brake Lever - Right 12-Speed CheckoutSpec= Bluebird Smart Assist technology provides smoothThe Shimano GRX ST RX820 right dual control lever delivers light and responsive mechanical 12 speed shifting for mixed terrain riding and racing. The ergonomic shifter design improves comfort by decreasing pressure on your palms while the textured anti slip brake lever surface increases control on bumpy terrain. The SERVO WAVE brake lever action provides greater braking power with improved control. 12 speed shifter with brake lever for use with GRX
