Speedline Parts | CNC'd Alloy Mini BMX Racing Cranks

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NOW available in 115, and 120mm Lengths!!

These high-quality billet 7075 aluminum CNC cranks have a decade’s worth of winning heritage behind them. These 7075 billet arms are Precision CNC'd in North America and use a removeable 5-bolt spider included , the Answer 1-piece chainwheel, or the all-new Speedline 104mm 4-bolt spider pictured above. The Speedline SX Mini Cranks have the highest strength-to-weight ratio of any mini crank on the market. These are currently available at Speedline dealers worldwide.

Available in 125, 135, 140, 145, 150, 155, 160, and 165mm lengths.

Available in an aerospace Black Anodize with a replaceable 5-Bolt Spider, or the optional 4-Bolt Spider for the ultimate upgrade.

Fits all Std. JIS Square Taper Bottom Brackets. ( see the Speedline sealed Bearing BB kit to complete your set )

The 165mm set weighs in at 375 grams for the 2 Crank Arms, Spider and 4 Spider Bolts.