Stem CeraMAG Gravity 35 8.0One of the lightest stems available, tested and certified for heavy use (EFBE EPAC Gravity TRI TEST standard, category 5). This outstanding weight to strength ratio is achieved by CeraMAG, a ceramic coated magnesium alloy. CeraMAG is lighter and provides more vibration dampening than aluminum. The stems are lightweight: just 107 grams for a 33mm long stem, 109 grams for 40mm, and 117 grams for the 50mm long version. Because it is likely that you will
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