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A2 Bikes · model family

A2 Bikes Speed Phreak / SP

A2 Bikes' direct-to-consumer carbon triathlon bike: the rim-brake Speed Phreak and its disc-brake successor, the SP.

Generations

What changed from one generation to the next. Useful when you're weighing a used bike against a new one.

  1. 2022-03

    SP

    SP (2nd gen, disc)

    • New frame designed by Kevin Quan Studios with CFD and wind-tunnel work; A2 claims 5 W less drag than the rim-brake Speed Phreak
    • Disc brakes only, with 12 mm thru-axles
    • SAGS adjustable stem and a sliding SASP seatpost head with up to 120 mm of saddle travel
    • Top-tube bento bosses kept, plus Bontrager SpeedBox-compatible bosses behind the seat tube
    • Launched as the SP1.1 to SP1.4 builds (USD 2,800 to 8,000) on one frame
    Source

  2. 2017

    Speed Phreak

    • A2's first bike: a rim-brake carbon triathlon frame sold direct, from USD 1,899 with Shimano 105
    Source