Feature●Chainring Screws Short Set for Single Speed Crank Chain Ring Fixie Single Speed●Chainring mounting kit for single crank sets, 5 short chainring screws for attaching the chainring to a 1-speed crank with Allen head (5 mm)●Material: steel, colour: silver, total sleeve length: approx. 5.6 mm, outer diameter of sleeve: approx. 10 mm●Box contents: 5 screws, 5 sleevesDescription Chainring screws short set for single cranks chainring fixie single speed chainring attachment kit for single crank sets 5 short chain ring screws for attaching the chainring to a single crank with Allen head (5 mm) material: steel colour: silver total sleeve length: approx. 5.6 mm. Outer diameter of sleeve: approx. 10 mm. Box contents: 5 screws, 5 sleeves