Shimano GRX ST-RX610 / BR-RX400 Disc Brake - STI | Flat Mount | J-Kit - 2-speed | left (L) | front (F) and STI | Flat Mount | J-Kit - 12-speed | right (R) | rear (R)Shimano GRX ST RX610 brake shift lever Gravel for Everyone. The GRX ST RX610 STI lever stands for unsurpassed comfort and a light, responsive shifting behavior in mixed terrain. Whether touring or racing, the textured grip shape combined with the non slip surface of the brake lever noticeably increases control on uneven terrain. Adjustable in reach and free stroke. Shimano GRX BR RX400 disc brake caliper Attack the toughest terrain without hesitation

Brand: ShimanoSeries: DEORE XT M8100Speed: 12 speedModel: SL-M8100-R/RD-M8100-SGS/CS-M8100-51T/CN-M8100/FC-M8100/BB-MT800Package Including:

・The color can be selected from chic black or silver

• Frame suitable for medium to large faces

New ULTEGRA R8000 series is "pro-proven" as it is a direct trickle down from DURA-ACE groupset

The DURA-ACE FC-R9200-P power meter is an essential tool for serious cyclists

Series: Shimano GRX 11-speed

※Do not inject lubricant into cartridge sealed bearings

HOLLOWTECH II      ✔

protecting you from the highest level of moisture

your shifts will be so fast and reliable you’ll almost question whether they happened at all

B-Axle_Hollow axle:✔

head and pump handle and is designed with a narrow barrel diameter that handles higher pressures with ease