SRAM Level Ultimate Stealth Disc Brake Caliper Assembly - Front/Rear Post Mount 4-Piston Silver C1 700x38C To determine if your spider

To determine if your spider is removable

2 grind and hot box on it and is ready to be a great double pole ski

Series Interlok ID 1-1/8" Size (2) 5mm

and double-pole like it means it

8 Color Black Material Aluminum Defined Color Black Stack Height 40 S

SRAM Level Ultimate Stealth Disc Brake Caliper Assembly - Front/Rear Post Mount 4-Piston Silver C1 700x38C To determine if your spiderSRAM Level Ultimate Stealth Disc Brake Caliper Assembly Front Rear Post Mount 4 Piston Silver C1. SRAM Hydraulic Disc Brake Caliper assemblies for Level Stealth series of brakes. High strength and lightweight 2 pc aluminum caliper body For front or rear use TECH SPECS Brake Caliper Type Post Mount Brake Position Front or Rear Color Silver Defined Color Silver Hydraulic Fluid Type DOT Hydraulic Hose Length Not Included Pad Compound Organic Rotor