Lewis SLR Flat Mount Hydraulic Road Brake Caliper - Mineral Oil Version

Lewis Ultimate SLR Flat Mount Road Brake Caliper – 68.5g, CNC 7075-T6 Aluminum, Titanium Pistons, Mineral Oil

OVERVIEW

The Lewis Ultimate SLR Flat Mount Road Bike Caliper redefines lightweight braking with its 68.5g design, crafted for competitive cyclists. Machined from aerospace-grade 7075-T6 aluminum, it combines minimal weight with maximal stiffness, resisting deformation under high-pressure braking. Featuring titanium pistons and hardware, a 34mm flat mount, and optimized 0.3mm piston clearance, it delivers precise modulation while eliminating rotor rub. Ideal for road and gravel riders prioritizing grams and performance.

FEATURES

• Ultralight 68.5g Design – Titanium pistons and hardware for peak weight savings.
  
• CNC 7075-T6 Aluminum – High-precision machining ensures durability and heat resistance.
  
• 21mm Dual-Titanium Pistons – Balanced power and modulation for aggressive riding.
  
• 0.3mm Piston Floating Clearance – Reduces rotor rub; simplifies installation.
  
• Wide Pad Clearance – Race-optimized for quick changes and heat dissipation.
  
• 34mm Flat Mount (FM) – Compatible with modern road/gravel frames (verify fitment).
  

SPECIFICATIONS

Model	Ultimate SLR Flat Mount Caliper (Mineral Oil)
Material	CNC 7075-T6 Aluminum
Pistons	2 x 21mm Titanium
Mount Type	Flat Mount (FM)
Mount Spacing	34mm
Fluid Type	Mineral Oil
Weight	68.5g (without pads/fittings)
Piston Clearance	0.3mm per side
Colors	Black, Silver, Pink, Gold, Orange, Purple