Compare Grinders


	Kingrinder	Option-O
MSRP
MSRP	$119	$230
Skill Level
Skill Level	Beginner	Intermediate
Type
Type	Manual	Manual
Activation
Activation	Hand Crank	Hand Crank
Grind Method
Grind Method	Conical Burr	Conical Burr
Burr Diameter
Burr Diameter	48 mm	38 mm
Adjustment
Adjustment	Stepped	Stepless
Adjustment Scale
Adjustment Scale	16 micron	1 micron
Dosing Method
Dosing Method	Manual	Manual
Dosing Type
Dosing Type	Single Dose	Single Dose
Retention
Retention	< .2 g	< .1 g
Grind Range
Grind Range	Espresso	French Press to Espresso
Time to Grind (18g)
Time to Grind (18g)	60	90
Motor RPM
Motor RPM	rpm	rpm
Swappable Burrset
Swappable Burrset	No	Yes
Adjustable RPM
Adjustable RPM	No	No
Weight
Weight	0.7 kg	0.5 kg
Material
Material	Aluminum	Stianless Steel
Dosing Cup
Dosing Cup	Threaded Catch Cup	Magnetic Grind Cup

EspressoBot Comparison

Machine Overview

Grinder 1, the Option-O Remi, is priced at $230 and is suited for intermediate users. In contrast, Grinder 2, the Kingrinder K4, is more budget-friendly at $119 and targets beginner users. Both are manual grinders, but their intended user base reflects a difference in complexity and skill.

Brewing Comparison

Both grinders utilize conical burrs for grinding, with Grinder 1 featuring a 38mm TiN-coated burr, while Grinder 2 offers a larger 48mm titanium-coated burr. The Option-O Remi uses a stepless adjustment system with a fine adjustment scale of 1 micron, allowing for precise grind settings from French Press to espresso. The Kingrinder K4, however, employs a stepped adjustment with a coarser scale of 16 microns, primarily optimized for espresso. Each grinder features a single dose hopper and offers a manual primary dosing method, though they differ in retention, with Grinder 1 at less than 0.1g and Grinder 2 at less than 0.2g.

Features Comparison

In terms of features, the Option-O Remi boasts swappable burrs, which allows users to personalize their grinding experience further. It provides a grind range that covers from French Press to espresso. The Kingrinder K4 does not offer swappable burrs, limiting customization, but maintains a dedicated focus on espresso grinding. Neither grinder offers adjustable RPM, which makes their operation consistent across different grind sizes.

Note: Espresso Setup Chris is expirementing with generated summaries for dynamic pages (we have 10,000+ so I can't write for all of them!) If you found this useful, or awful, please shoot me an email with feedback Chris@EspressoSetupBuilder.com. May your shots be perfectly extracted and milk frothy.

Want another coffee?

Take the Quiz

Start Now

For Personalized Recommendations

Discover Machines

Including Breville, Profitec, & Lelit

Discover Grinders

Including Eureka, Baratza, & Niche