Ridea offers a wide range of stems and stem caps to adapt to almost any folding, and non-folding, bike in the market. All our stems are precisely machined with CNC processing to deliver strong, light and beautiful stems for your bike.

ESF stems provide greater adaptability to your cockpit. They provide a link between the bike steerer and the handlebar that can be positioned at any angle to modify the height of the handlebar and its distance to the saddle. Available in different widths to adjust to different steerer designs the ESF1 to 4 models can also modify their length for even greater adaptability. ESF2 and ESF4 allow using 31,8 mm handlebars on bikes with 25,4 mm steerers.

P/NLengthAngleOuter to outer width (steerer)Inner to inner width (steerer)

ESF1

ESF1U

60-70-80 mm variable angle of ±100°9066

ESF2

ESF2U

60-70-80 mm variable angle of ±100°9066
ESF360-70-80 mm variable angle of ±100°6642
ESF460-70-80 mm variable angle of ±100°6642
 
P/NBody materialBolt materialHandle diameterWeightColors
ESF1CNC alloySUS∅25.4 to ∅25.4218gBlack, red, gold, silver
ESF2CNC alloySUS∅25.4 to ∅31.8220gBlack, red, gold, silver
ESF3CNC alloySUS∅25.4 to ∅25.4188gBlack, red, gold, silver
ESF4CNC alloySUS∅25.4 to ∅31.8190gBlack, red, gold, silver
ESF6CNC alloySUS∅25.4 to ∅31.8121gBlack, red, gold, silver
ESF8CNC alloySUS∅25.4 to ∅25.4120gBlack, red, gold, silver
ESF1UCNC alloySUS∅25.4 to ∅25.4210gBlack, red, gold, silver
ESF2UCNC alloySUS∅25.4 to ∅31.8210gBlack, red, gold, silver

*More colors are available as a customization option.