Silverback’s new Fat E‑Bike Alloy Crank is a purpose‑built, heavy‑duty upgrade engineered for the extreme torque, wide chainlines, and rugged conditions unique to fat e‑bikes. Forged from 6061‑T6 alloy with a 7075‑T6 chainring, it delivers exceptional stiffness, durability, and long‑term reliability while keeping weight low.

A reinforced Shimano‑compatible interface (EP6 / EP8 / EP801 / E7000 / E6100), optimized 75.6 mm chainline, and 234 mm Q‑factor ensure perfect power transfer on 197 mm rear ends, while replaceable 36T/38T chainrings, 104 BCD spiders, and optional bolt‑on chainguards make servicing and customization easy.

Finished in brushed anodised grey with Silverback’s signature cut‑out design and rust‑proof hardware, this 170 mm crank is built to withstand demanding terrain and daily use—offering OEMs and riders a reliable, high‑performance solution at an accessible price point.

Category	Specification
Crank Length	170 mm
Q‑Factor	234 mm
Chainline	75.6 mm (for 197 mm hub OLD)
Offset	45 mm
Motor Compatibility	Shimano STEPS: E6100, E7000, E8000, EP6, EP8, EP801 (24 mm axle interface)
Crank Arm & Spider Material	Aluminium 6061‑T6 (forged + CNC)
Chainring Material	Aluminium 7075‑T6
Chainring Options	36T / 38T, 104 BCD, Narrow/Wide
Chainguard Options	Bolt‑on ring‑style guards for 36T & 38T spiders
Finish	Brushed anodised grey with rust‑proof silver hardware
Weight	610 g (arms + spider + bolts)
Design Features	Reinforced motor interface, optimized arm geometry, stiffness‑enhancing cut‑out, replaceable chainring bolts
Recommended Torque	14 Nm
Intended Use	Fat e‑bikes (off‑road, snow, adventure, utility)

Silverback fat e-bike cankset

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