Shock absorber with elastic lanyards. Designed for users with a maximum weight of 140 kg (including equipment).

  • various variants consisting of three types of elastic lanyards and three types of connectors
  • ideal for workers on structures, ladders and pylons
  • low weight and practical shape do not restrict a user at work
  • designed to safely capture a person weighting 140 kg (including equipment)
  • elastic lanyards have been successfully tested for horizontal use and a resulting simulated fall over an edge (see the RFU 11.074 information in the catalogue sheet)
  • maximum active breaking length of the shock absorber is 175 cm
  • cover is made of black synthetic rubber and Cordura with PU coating
  • zipper around the perimeter of the cover for easy inspection of the energy absorber
  • intact orange indicator of energy absorber activation for easy fast check
  • orange indicator is threaded through the attaching loops and indicates an actual damage
  • any EN 362 certified connector can be sewn into the attachment loop
  • unique production number for better traceability and inspection
Variant overview:

 Type Code Connectors Length
RFU 11.074
 "Y" 85 cm



   85 cm

   330 g


W4482X085 2x K353 110 cm
1355 g

W4483X085 2x K355 120 cm
2255 g

W4484X085 2x K0124
100 cm
   565 g           ✔
 "Y" 155 cm



155 cm

   430 g


W4482X155 2x K353 180 cm
1425 g

W4483X155 2x K355 190 cm
2350 g

W4484X155 2x K0124 170 cm
   665 g
Working load140 kg • 309 lb
ce 1019 EN 355 RFU 11.074


Singing Rock REACTOR 140 FLEX
Singing Rock REACTOR 140 at A+A 2019


Activities at height such as climbing, via ferrata, caving, rappelling, ski-touring, rescue, work at height and exploration are dangerous activities, which may lead to severe injury or even death. This the following is essential before use:
careful reading and understanding of the instructions for useacquaintance with the possibilities and limitations of the productadequate apprenticeship in appropriate techniques and methods of useunderstanding and acceptance of the risk involved
In case of doubt or problem of understanding, contact SINGING ROCK.