Mountain Equipment Company

Ridley Helium SLA 50 - Unisex

5056-169

See available road bikes

Description

A benchmark in cost-effective performance, the legendary Helium gets the latest tech in aluminum frame construction. Retaining the stiffness-to-weight ratio that distinguished the original, the SLA uses exceptionally thin-walled tubing sections with double-pass welding on the head and seat tubes for a frame that's both tough and light. Worried about the bone-shattering stiffness that used to characterize aluminum? Don't be. Thin, strong seat stays, a svelte seatpost and the beautiful carbon fibre fork keep it comfortable and responsive, like carbon bikes twice its price. A sweet sprinkling of Shimano and 4ZA components makes this ride a special one. Shimano 105 shift swag creates a classy build, while rock-solid Mavic wheels provide exceptional everyday performance.

  • Frame uses 6000-series aluminum with double-pass welding to produce a light, stiff and durable frame
  • 1200g frame weight is on par with carbon fibre bikes
  • Tapered, reinforced head tube shaves grams, aids aggressive handling and provides excellent impact protection
  • Ultra-thin chainstays provide shock absorption for a comfortable, buzz-free ride
  • Full carbon fibre fork with carbon steerer keeps the weight low
  • Internal routing aids aerodynamics while keeping cables silky smooth
  • Mavic Aksium Elite wheelset with 25mm Mavic Yksion Guard tires
  • Shimano 105 11-speed groupset
  • Compact Shimano RS510 crankset is at home climbing or sprinting
  • 4ZA brakes provide solid performance
  • 4ZA Stratos handlebars, seatpost, stem, and other components are durable performers
  • Bikes are covered by MEC's Rocksolid Guarantee and Bike Service Agreement. You can bring your bike to any MEC bike shop for free adjustments and minor maintenance for a year after purchase
  • Ridley was born in Flanders, Belgium, a region infamous for harsh cycling conditions. Against this backdrop Ridley engineer, test, and refine their frame construction, race technology, tube profiles, and their own branded component line, 4ZA

Tech specs

Weight8.49kg (Black/Red/White Medium)
8.47kg (Black/Red/White Large)
Ideal for
  • Sport road cycling
FrameRidley Helium aluminum
ForkHelium HM carbon
Stem4ZA Stratos 31.8mm
Seatpost4ZA Stratos
HeadsetFSA NO. 44E
Handlebars4ZA Stratos 31.8mm
Grips/tape4ZA Cork
  • 4ZA (caliper rim)
Brake leversShimano 105
ShiftersShimano 105
Derailleur (front)Shimano 105
Derailleur (rear)Shimano 105
Crank + ringsShimano FC RS510 50-34T
Bottom bracketShimano 105 BSA
PedalsSold separately
Shimano 105 11-speed 11-28T
ChainKMC X11
Tires
  • Mavic Yksion Elite Guard 700 x 25
WheelMavic Aksium Elite
Saddle4ZA Stratos
Made inTaiwan

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