- AL-66 Forged Crankarms
- AL-7075-T6 Alloy Outer Chainring
- Pitch Black Finish
- Howitzer M15 BB
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Blaze MTB: The AL-66 alloy employed in our Blaze cranks is 33% stronger than the standard 6061-T6. This year we have redesigned the chainrings to include a AL-7075-T6 Alloy outer ring and blast black finish. Modeled after our bombproof Howitzer Bottom Bracket we have designed the lightweight Howitzer M15. This is a major upgrade over the ISIS in durability. With two oversized external bearings and lightweight version of our proven Howitzer spindle, this Bottom Bracket and crank pairing is a sure performer.
