BH-M978

Key Features:

Application: Engineered for aggressive trail, gravity, and high-performance E-MTBs.

Caliper: Ultra-stiff, cold-forged 4-piston caliper block featuring an adjustable banjo hose connector for clean routing.

Lever: Ergonomic 3-finger lever blade featuring tool-free reach adjustments for fast customization.

Thermal Control: Top-loading sintered metallic pads equipped with integrated aluminum cooling fins to maximize heat dissipation.

Rotor Compatibility: Versatile layout that supports standard 1.8mm steel rotors up to thick, heavy-duty 2.3mm gravity rotors.

Lightweight: Front assembly: ~323g | Rear assembly: ~343g. (Note: The BH-M978-E sub-variant adds a texturized rubber lever grip and integrated electronic motor cut-off wire).

Specifications:

System
• Open System
• One way bleeding
• One integrated pump, clean look
• Suitable for E-bike (without power cut-off) or bike

Rotor
• Center Lock: RT900 (Thickness=1.8mm)
• 6-Bolt type: RT553 (Thickness=1.8mm)
• 6-Bolt type:T23-180 (Thickness=2.3mm)

Caliper
• 4 Pistons
• Cold forged
• Free angle of hose connector for varied frame
• Pads easy replacement from top side
• Black available

Pads
• Sintering Pads with cooling fin
• Compatible with Shimano Pads

Lever
• Three fingers
• Reach adjustment
• Black available

Weight
• Front: 323 g
• Rear: 343 g
• Weight excluded Rotor and Adapter