# Rocket Espresso Gravo Electric grinder with flat burrs: 63 mm burrs · Stepless · 17.6 lb (8 kg) The Rocket Espresso Gravo is an electric coffee grinder with 63 mm flat burrs. Grind size adjusts steplessly. It weighs 17.6 lb (8 kg). It holds 10.6 oz (300 g) of beans. Specs checked Sep 29, 2026 against 4 sources. - Brands: [Rocket Espresso](https://grinderwiki.com/brands/rocket-espresso/) - Official page: - Grinder Wiki: ## Specifications ### Basics - Type: Electric [1] - Release year: 2026 [2] ### Burrs - Burr shape: Flat [3] - Burr size: 63 mm [1] ### Grinding - Adjustment: Stepless [4] ### Capacity & size - Hopper: 10.6 oz (300 g) [1] - Weight: 17.6 lb (8 kg) [4] ### Electrical - Burr speed: 1,500 rpm [1] ## Quick answers **What burrs does the Rocket Espresso Gravo use?** 63 mm flat burrs. **Is the Rocket Espresso Gravo stepless?** Yes. Grind size adjusts continuously, without fixed steps. **How much does the Rocket Espresso Gravo weigh?** 17.6 lb (8 kg). **How many beans does the Rocket Espresso Gravo hold?** Up to 10.6 oz (300 g) in the hopper. ## Sources 1. [GRAVO \| Rocket Espresso](https://rocket-espresso.com/products/coffee-grinders/gravo) — rocket-espresso.com · Checked Sep 29, 2026 2. [Gravo: The First Premium Home Grinder From Rocket Espresso With Integrated Grind-By-Weight Technology \| Sprudge Coffee](https://sprudge.com/gravo-the-first-premium-home-grinder-from-rocket-espresso-with-integrated-grind-by-weight-technology-827361.html) — sprudge.com · Press · Checked Sep 29, 2026 3. [Rocket Espresso Gravo – Pro Coffee Gear](https://shop.procoffeegear.com/products/rocket-gravo) — shop.procoffeegear.com · Retailer · Checked Sep 29, 2026 4. [Rocket Gravo GBW Coffee Grinder – MiniPCaffe](https://www.minipcaffe.com/zh-cn/products/rocket-gravo-coffee-grinder) — minipcaffe.com · Retailer · Checked Sep 29, 2026