AeroGain offset BTA spacer in black
Two triathletes standing with their bikes before a ride
Triathlete on a red TT bike in aero position with a bottle between the arms

AeroGain offset BTA spacer

Regular price $52.00
  • 30-day returns
  • 2-year warranty
  • Crash replacement

AeroGain offset BTA mount

  • Compatible with the AeroGain Mono Armrest, and the AeroGain BTA-system
  • Allows placement of a bottle behind your elbows, for optimal aerodynamics
  • Customisable height and angle (angle should match the angle of your extensions, for a horizontal bottle)
  • Does NOT mount directly onto standard bottle cages, and is designed to be used with the AeroGain BTA mount plate. Bolt distance underneath the spacer is 45 mm.
Made in DenmarkDeveloped and produced in-house
Two-year warrantyAnd 30 days to return it
Crash replacement
Fit questions answeredSend us your bike model
Part of the Aero BTA system

Bottles between the arms are faster than no bottles at all.

8W

Median saved by the Aero BTA system at 45 km/h, against riding with no bottles. 35 riders on the Ballerup velodrome; up to 14 W at best.

See the Aero BTA system →

How it mounts

All mounting instructions →

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Not sure it fits your bike?

Send us the bike model and a side-on photo of your setup, and we'll tell you what fits.

Ask usMounting instructions