First Look Friday: Merida Reacto 4000, South Industries rims, and Wahoo ELEMNT

First Look Friday is an introduction to the gear that we are currently testing for review. This week we're featuring Merida's Reacto 4000 road bike, South Industries rims and the Wahoo ELEMNT GPS bike computer.

Merida Reacto 4000

The Reacto represents Merida's range of aero race road bikes boasting aerodynamic teardrop tube profiles, with direct mount brakes, internal cable routing, an integrated seatpost which use Merida's SFlex technology for some added comfort in the saddle.

Merida Reacto 4000 1.jpg

The Merida Reacto 4000 model retails for R 29,999.00. For this you get a full carbon aero frame featuring a mostly Shimano 105 groupset but with an FSA Gossamer crankset and KMC chain. Wheels are Merida branded made by Alexrims wrapped in 25C Continental tyres.


  • Colourblack / green
  • Frame sizes47cm, 50cm, 52cm, 54cm, 56cm, 59cm
  • Frame sizesREACTO CF3
  • ForkReacto Carbon pro-direct
  • Derailleur frontShimano 105 D
  • Derailleur rearShimano 105 SS
  • ShiftersShimano 105
  • Brake leverShimano 105
  • BrakesShimano 105-direct
  • ChainwheelFSA Gossamer Pro 52-36 (BB386)
  • ChainKMC X11
  • HubsFormula Road Bearing
  • RimMerida Expert 35 CW
  • FreewheelShimano CS-5800-11 11-28
  • TyresContinental Ultra Sport II 25 fold
  • SpokesBlack stainless
  • Handlebar stemMerida Expert Carbon OS -5
  • HandlebarMerida Compact road OS
  • HeadsetFSA No.47/48
  • Seat postReacto carbon Race [Di2 ready]
  • SaddleMerida Sport Pro
  • Weight8.90 kg

South Industries rims

South Industries manufacture their "handgemaak" carbon rims in South Africa. They have two models: a 29er rim intended for cross-country/ marathon use and a beefier 650b rim for all-mountain riding.

South Industries rims 2.jpg

Considering feedback from their pro riders and test team over the last year, both rim designs have been tweaked from the original models with new optimised carbon lay-ups.



370g weight
28mm internal width
32mm outside width
22mm deep profile
Hookless bead
32h or 28h (drilled at 5deg angle)
Suitable for existing 2.2 to 2.3" profile tyres

420g weight
28mm internal width
34mm outside width
23mm deep profile
Hookless bead
32h (drilled at 5deg angle)

The South Industries rims retail for R 6,985.00 per rim.

Wahoo ELEMNT GPS bike computer

Wahoo ELEMNT 1.jpg

The Wahoo ELEMNT GPS bike computer sends and receives signals via both Bluetooth 4.0 and ANT+ which means it will pair with most sensors, smart devices and trainers. Connecting to the device via the app allows you to change settings easily and track your workout progress. LED lights on the device provide a quick way to see if you're on pace with important performance metrics like speed, cadence and power. The ELEMNT can be used for navigation with maps for most countries included. Wahoo recently updated the ELEMNT firmware to support Strava Live Segments.


Physical Dimensions: 2.3" x 3.5" x 0.8" (57.5mm x 90.5mm x 21.2mm)
Display Size: 2.7" (68.6mm)
Weight: 3.5 oz
Battery: USB rechargeable
Battery Life: 16 hours
Waterproof Rating: IPX7 (waterproof up to 5 ft)
Shock Proof: Yes

The Wahoo ELEMNT retails for R5,999.


Mongoose!, Aug 26 2016 02:25

That Merida looks like great value for the money

Headshot, Aug 31 2016 10:35

The Merida weighs 100g more than my ali road bike - how does that work?