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DYISLAND ATM4 Four-Piston Electric Bicycle Brake Kit - 【 2026 NEW 】
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$179.00 USD
$155.00 USD
Sale 13%
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bac_1234Self-AdjustingOpenHydraulicSystemAutomaticallyrestorestheidealbitepointasbrakepadswear—nomanualadjustmentsneeded.
Ergonomic3-FingerLeverwithTool-FreeReach125mmlongleverfitsmosthandsizes.Tool-freedialallowsquickreachadjustmentforcomfortandcontrol.Bitepointcanbefine-tunedforaggressiveorsmoothbraking.
ThickSinteredMetalPads(5.5mm)Dimensions: 38.2×37×5.5mm(custom)vs.26×15×1.9mm(standard)Heat-resistant,fade-free,anddurable.Largercontactareaboostsstoppingpowerforlongdescentsandoff-roadriding.
Powerful4-PistonCalipers(Length:74mm)Strong,evenbrakingforcewithexcellentheatdissipation.Handleshigh-speedandlongdownhillscenarioseffortlessly.
Durable&E-BikeCompatibleCNC-forgedaluminumconstruction.Splitdesignsupportsinternalcablerouting.Includesdetachablemagneticcut-offsensor(2-pinwaterproof)tosafelycutmotorpowerduringbraking.*Checkconnectorcompatibilitybeforeinstallation.
Description
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Self-Adjusting Open Hydraulic System
Automatically restores the ideal bite point as brake pads wear—no manual adjustments needed. -
Ergonomic 3-Finger Lever with Tool-Free Reach
125mm long lever fits most hand sizes. Tool-free dial allows quick reach adjustment for comfort and control.
Bite point can be fine-tuned for aggressive or smooth braking. - Thick Sintered Metal Pads (5.5mm)Dimensions: 38.2 × 37 × 5.5mm (custom) vs. 26 × 15 × 1.9mm (standard) Heat-resistant, fade-free, and durable. Larger contact area boosts stopping power for long descents and off-road riding.
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Powerful 4-Piston Calipers (Length: 74mm)
Strong, even braking force with excellent heat dissipation. Handles high-speed and long downhill scenarios effortlessly. -
Durable & E-Bike Compatible
CNC-forged aluminum construction. Split design supports internal cable routing.
Includes detachable magnetic cut-off sensor (2-pin waterproof) to safely cut motor power during braking.
*Check connector compatibility before installation.
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