Ritchey Comp Headset Lower IS47/33 Black ModelNumber=K8480Sealed cartridge bearings that drop directly into the head tube Upper includes top cap Lower includes crown race TECH SPECS model Comp lower S. H. I. S. IS47 33 stack 1mm upper lower lower color black
Color Carbon Grey Primary Color Grey Volume 12L Bag Attachment BOA Waterproof Yes
Material 7075-T6 Aluminum Bearing Grade ACB Sealed Headset Type External Threadless Crown Race Diameter 30mm Headset Position Complete Lower Cup 34mm Primary Color Black Upper Cup 34mm S
Backing Plate Material Steel Compound Semi-Metallic Heat Sink No Pad Shape Number 36 keyword search Galfer Disc Brake Pad
Features rack and fender flat mount disc brake interface and clearance for up to 48mm tires
model ISIS (non-extracting) bolt size M15 color silver/black
The wheel’s 21mm internal width is aerodynamically optimized for use with 28mm wide tires
The GRX BR-RX820 2-piston disc brake caliper brings a high level of control to gravel cycling with enhanced modulation and a quick initial braking point
} Disc Brake Lever Assembly - Carbon Lever (Assembled
5" Tire Intended Use Mountain Tire Type Tubeless Ready Clincher Weight 890
Full-length Surly Trip Guide housing line guides for derailleurs and brakes
Supports hubs up to 157 mm width
Starting with a defined center tread that maximizes braking traction and acceleration the e-Mazza uses deep siping in the direction of rotation allowing the tire to roll fast while still opposing drift
