CRANKS
road
EC90 Cranks (available fall 2008)
How do you make the best carbon crank in the world?
Start by thoroughly testing every high-end crank currently available for ultimate strength, fatigue strength and stiffness. Then hand those numbers to a world class team of engineers and designers, with one simple goal: make a better one.
The result is the EC90 carbon road crank. At 558 grams, it packs the highest stiffness-to-weight ratio of any carbon crank currently available, and has also tested at over 500,000 cycles in a fatigue test—five times longer than the nearest competitor. That’s unheard of in a carbon crank.
To do this we started with our CNT Composite, which is the most advanced carbon fiber material in the bike industry today, and developed our own blend of foam core molding, bladder molding and compression molding to create a highly refined carbon structure, and a higher level of performance in a carbon crank. It doesn’t get any better than this.
EASTON Carbon cranks
| Construction | CNT™ composite crank arms and spider 7050 aluminum pedal inserts 24mm CrMo steel spindle |
|---|---|
| Chainrings | 53/39t standard, Ceramic Teflon coating, shift pins and ramps |
| Length | 170, 172.5, 175mm |
| Weights | 558 grams (crank arms, chainrings and
CrMo spindle) Standard BB: 105 grams Hybrid Ceramic BB: 100 grams |
| Details | Q Factor: 147.1 |
| Technology | CNT™, DCC™, HCM™, TaperWall™
Carbon Nanotubes make Easton’s proprietary CNT™ composite tougher than standard high modulus carbon, making it the ideal material for a superlight, super strong crank. Dual Core Composite (DCC™) construction allows incredibly precise control of the mold process and also creates a stiffness-boosting spine inside both crank arms Hybrid Composite Molding (HCM™) combines multiple composite manufacturing techniques to optimize the resin to fiber ratio, adding strength and minimizing weight. Taperwall™ puts the material where it’s needed for strength and stiffness. Wall thicknesses are thinner in the center sections to save weight. The transitions between thick and thin sections are seamless to distribute stress evenly along the length of the structure. |
| Warranty | Five years |
EASTON BB Cups
| Weight | 95 grams |
|---|---|
| Threading | Italian or English |
Weights and specifications may change without notice
