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ARMA Crankset is a high-performance carbon crankset from Engine11’s component sub-brand. Built with carbon Twin Leg crank arms, 7075-T6 CNC spider, 30mm spindle, 47T chainring and BSA30 bottom bracket with KYK Japan bearings.
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The ARMA Crankset is a high-performance carbon drivetrain component from ARMA, Engine11’s component sub-brand. ARMA was created to develop premium carbon parts based on real racing experience, carrying the same standards of performance, reliability and engineering detail.
This crankset removes unnecessary design elements and focuses on pedaling efficiency, structural stiffness and durability. The high-performance carbon Twin Leg crank arms provide lightweight support and direct power transfer, making them suitable for single speed and track bike riders who want responsive acceleration and strong drivetrain performance.
The spider, spindle and chainring are made from 7075-T6 CNC-machined aluminum, offering a refined balance of precision, strength and low weight. The BCD 144x5 specification fits common track and single speed chainring setups, while the 47T chainring is well suited to speed-focused, urban and training builds.
The 30mm spindle works with a BSA30 bottom bracket setup using KYK Japan bearings for smooth and stable rotation. With an approximate weight of 580g without the bottom bracket, the ARMA Crankset offers a strong balance of stiffness, weight and premium finish.
If you are looking to upgrade a high-end single speed or track bike with a carbon crankset that delivers style, stiffness and performance, ARMA is a refined and reliable choice.
Specifications
Brand: ARMA
Parent Brand: Engine11 component sub-brand
Product Name: ARMA Crankset
Crank Arm Material: High-performance carbon fiber Twin Leg
Crank Length: 165mm
Spider Material: 7075-T6 CNC aluminum
Spider Standard: BCD 144x5
Spindle Material: 7075-T6 CNC aluminum
Spindle Standard: 30mm
Chainring Material: 7075-T6 CNC aluminum
Chainring Size: 47T
Bottom Bracket Standard: BSA30 with KYK Japan bearings
Weight: Approx. 580g, excluding bottom bracket
Features: Carbon crank arms, CNC aluminum parts, lightweight, stiff, race-oriented design
Use: Single Speed / Track Bike / Fixed Gear / Performance Builds