New Shimano MT4100/MT420 4-Piston Brake Set Pre-Bled J-Kit MTB No Rotors
 

Upgrade your stopping power with the Shimano BR-MT420 4-piston hydraulic disc brake set.

signed for the rigorous demands of MTB, Trail, Enduro, and eBikes, this 4-piston caliper delivers 20% more braking power than standard 2-piston models.

[ BRAKE ORIENTATION - IMPORTANT ]

  • US Standard Setup: Left Lever controls Front Brake / Right Lever controls Rear Brake. (Australian/UK Buyers: Please note this is a US-spec "Left-Front" setup, NOT Moto-style.)

[ SPECIFICATIONS ]

  • Levers: Shimano BL-MT4100 (I-SPEC EV Compatible)

  • Calipers: Shimano BR-MT420 (4-Piston)

  • Hose Length: Front 800mm / Rear 1450mm (Please measure your bike before purchasing)

  • System: J-Kit (Pre-bled, ready to install)

  • Brake Pads: Shimano Resin Pads included (e.g., D03S)

  • Mount Type: Post Mount (PM)

[ VARIATION OPTIONS & WHAT'S INCLUDED ] Please select your preferred bundle from the drop-down menu:

  1. Base: Brake Set Only (No Rotors)

  • Includes: Front & Rear Brake Set + 1x PM-to-PM (+20mm) Adapter for the front.

  • Note: Rear adapter is not included. Caliper mounts directly to native 160mm post mount frames.

  1. w/ 180/160mm IS Rotors (6-Bolt)

  • Includes: Brake Set + 1x Shimano SM-RT56-M (180mm) Rotor + 1x Shimano SM-RT56-S (160mm) Rotor + 1x PM-to-PM (+20mm) Adapter.

  1. w/ 180/180mm IS Rotors (6-Bolt)

  • Includes: Brake Set + 2x Shimano SM-RT56-M (180mm) Rotors + 2x PM-to-PM (+20mm) Adapters.

  1. w/ 180/180mm Centerlock Rotors

  • Includes: Brake Set + 2x Shimano SM-RT54-M (180mm) Rotors + 2x PM-to-PM (+20mm) Adapters.

[ COMPATIBILITY NOTES ]

  • Resin Pads Only: The included BR-MT420 calipers come with Resin Pads. The RT56 and RT54 rotors included in the bundles are designed strictly for "Resin Pad Only" use.

  • Adapters: The included PM-to-PM (+20mm) adapters are designed to upgrade native 160mm post mount frames and forks to accommodate 180mm rotors.

 
 
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If buyers are in US,it will take 1-10 working days via USPS First Class Mail and 1-3 working days via Priority Mail.
 
If buyers are from other countries,it will usually take 10-28 working days or 1-3 working days via express.
 
 
Buyers can return items in 30 days since receiving the items as long as keeping it unused and original box.
 
 
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