Upgrades to handlebars Forums › Mountain Bike Forum › Upgrades to handlebars --SHARES Tweet Add to Flipboard Magazine. Tagged: handlebar, Stem This topic contains 1 reply, has 2 voices, and was last updated by gar29 4 years, 2 months ago. Author Posts September 24, 2015 at 9:20 pm #174890 Logan Clemons i am looking to upgrade to a 35mm handlebar for my cannondale super v 800. What size stem do i need to get to fit with the stock super fatty shock? September 25, 2015 at 11:40 am #174981 gar29 Your best bet is to measure the diameter of the bar where it goes into the stem and buy a new one the same size. Stems come in different sizes for different sized bars so it is impossible to tell otherwise. Author Posts RELATED TOPICS Topic Voices Posts Freshness Leaf blowing at Fountainhead (VA) ? Started by: Zy in: Mountain Bike Forum 3 5 1 week ago rmap01 Sticky Shimano brake pistons and lever Started by: jbolvig in: Mountain Bike Forum 2 2 1 month, 1 week ago Losttraditions Mountain bike upgrades Started by: Chrisc5928 in: Mountain Bike Forum 10 12 1 month, 1 week ago JMZ Bike Building Orange Ms isle Started by: Siouxsie Bossons in: Mountain Bike Forum 1 1 2 months, 1 week ago Siouxsie Bossons Evil The Calling MB Bike Fit Started by: MikeyFlo86 in: Mountain Bike Forum 5 10 2 months, 1 week ago Dr Sweets You must be logged in to reply to this topic.