• NEW Shimano GRX ST-RX610 Shift/Brake Lever with BR-RX400 Hydraulic Disc Brake Caliper - Left/Front, 2x, Flat Mount Caliper, Black - Around the Cycle
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NEW Shimano GRX ST-RX610 Shift/Brake Lever with BR-RX400 Hydraulic Disc Brake Caliper - Left/Front, 2x, Flat Mount Caliper, Black

NEW Shimano GRX ST-RX610 Shift/Brake Lever with BR-RX400 Hydraulic Disc Brake Caliper - Left/Front, 2x, Flat Mount Caliper, Black

$ 339.99 USD
$ 339.99 USD $ 339.99 USD
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ATC SKU: 210000053931
UPC: 192790819198
MFG. SKU: IRX6101DLF6SC100A
Other IDs: BR1055

PRODUCT DETAILS

The Shimano GRX ST-RX610 dual control lever delivers light and responsive shifting for mixed-terrain riding. The textured hood and anti-slip brake lever surface increase control on bumpy terrain. The GRX BR-RX400 2-piston flat mount hydraulic disc brake caliper features a low-profile design with ICE technologies to provide greater control and excellent heat dissapation for mixed terrain riding.

Adjustable Contact Point Yes
Adjustable Reach Yes
Brake Caliper Mount Flat Mount
Brake Lever Actuation Hydraulic
Color Black
Defined Color Black
Drivetrain Speeds 12
Front Der/Shifter Compatibility Shimano Road
Hydraulic Fluid Type Mineral Oil
Pad Compound Resin
Rotor Included No
Shifter/Derailleur Compatibility Shimano
California Prop 65 Warning:
This product may contain chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. (California law requires this warning be given to customers in the state of California.)
California CBE Fees:
Some products we sell may be subject to California’s Covered Battery-Embedded (CBE) Waste Recycling Fee (effective January 1, 2026) when a product contains a non-removable rechargeable battery. If applicable, the fee (1.5% fee with a $15 max per item) will either be added to your cart as a separate line item or be invoiced after your order is placed and before it can be fulfilled.
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