Parts detail & Features Shimano GRX ST-R600 shift/brake lever The Shimano GRX ST-RX600 dual control lever provides Gravel inspired ergonomics both for the bracket design to accommodate every kind of drop bar and for the lever itself featuring a curved shape and an anti-slip coating for greater mixed-terrain control. In terms of shifting performance the 2x11-speed GRX STI levers are at the same high level like Shimano's top tier group's road bike shifters. In contrast the braking performance is optimized by the brake lever's rotary axle which is positioned 18 mm higher than usual. In order to meet the individual needs of the driver, the hydraulic brake lever offers a tool-based reach adjustment as well. Shimano GRX BR-RX400 disc brake caliper Never hesitate to tackle rough surfaces with the hydraulic Shimano GRX BR-RX400 caliper. In doing so Ice Tech ensure excellent heat dissipation while the BR-RX400's 2 pistons guarantee solid braking performance under all conditions. The Flat Mount system makes it possible to attach the disc brake caliper directly at frame or fork. Trouble-free and simple maintenance is provided by the proven One Way Bleeding concept and the Easy Hose Joint System which simplifies brake hose exchanges. Shimano GRX RD-RX812 Shadow RD+ rear derailleur The mechanical Shimano GRX rear derailleurs, RD-RX812 , are characterized by quiet, smooth, precise and reliable shifting even in the most demanding terrain. This is mainly due to the Shadow RD+ chain stabilisation system which prevents the chain from slapping and dropping as well as from unnecessary movements of the derailleur's cage, thus ensuring uninterrupted shifting performance. That is why an On/Off switch can be found next to the upper pulley, much like Shimano’s mountain bike derailleurs. When activated the rear derailleur pivot takes a firm hold to reduce excessive movement, noise and general "chain chatter". CONTINENTAL Gravel Tyres Wide tread and thick rubber particles provide excellent traction, give you more confidence to conquer and explore. Ergonomic and hollow design saddle The hollow design, reduce crotch pressure, decrease heat as well , less burden for long tour cycling. The thick cushion ensure comfort for bumppy road. SHIMANO GRX600 11 Speeds Frame material : T800 carbon fiber Fork material: T800 Carbon fiber, fork open 100mm Thru axle: Hollow type, front M12*100 , rear M12*142 Wheels:Aluminum,700c,30mm depth. Tires: Continental Terra ShieldWall (40-622) Handlebar:Gravel 480*31.8mm,40 degrees of flare Seatpost: T800 carbon fiber, 350mm Chain: KMC X10R Shifting lever: SHIMANO ST-RX600 Rear derailleur: SHIMANO RD-RX812 Crank: PROWHEEL RPG 42T Flywheels: SHIMANO CS-M7000, (11-13-15-17-19-21-24-28-32-37-42) Disc rotor: SHIMANO SM-RT70,140MM Pedal: SANYUN LP-658A Saddle: YBT,PU-leather
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