SHIMANO DEORE BL-M4100/BR-MT420 DISC BRAKE LEVER 1700mm REAR trek kids the SLR Boost Endurance Superflow

the SLR Boost Endurance Superflow focuses on delivering unmatched comfort through meticulous design and material choices

Wireless connections - BLE/ANT+/ANT+ FE-C / WLAN

Allowing you to remove your cassette easily

Zipp’s German-engineered ZR1 DB Hubset provides quick engagement with robust durability

SHIMANO DEORE BL-M4100/BR-MT420 DISC BRAKE LEVER 1700mm REAR trek kids the SLR Boost Endurance SuperflowShimano DEORE hydraulic disc brake system featuring a 2 finger lever and 4 piston caliper. Part of the M4100 component group, delivering reliable stopping power for trail and all terrain riding. Features Intuitive and powerful braking Quicker brake engagement with shorter free stroke Rider tuneable and action optimized cockpit High performance brake control Additional contact point for a stiffer brake lever 4 Piston Caliper Brake Caliper for Postmount