BMC’s ALR01 distills the experience and technology the Swiss company has poured into the carbon fibre SLR01 Teammachine, the mainstay of its WorldTour team, and created an aluminium bike that has a generally identical frame profile.
The main triangle tubes have fairly smooth welds, with more obvious, but extremely neat welds everywhere else. All of the triple-butted tubes are slimmed down compared to their carbon cousin, but the carbon fork borrowed from the SLR03 model retains the same distinctive stepped profile.
- Highs: SLR01 characteristics, frame quality, price
- Lows: Wheelset weight, long stem bolts
- Buy If: You’re looking for a race-bred frameset for fun on a budget
Matching the shapes and angles of a moulded carbon bike requires some involved hydroforming, and the many subtle tube orientation changes, triangulations and bulges are testament to how much the process has progressed. Building an aluminium frame that without close inspection could pass for smoothly finished carbon is impressive, and the lustrous paint finish only serves to reinforce its aesthetics.
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So this is a pretty frame, but BMC has stayed faithful to the SLR01’s most important attributes too by almost exactly mirroring the geometry, with the same head and seat angles. Our 54cm frame has identical top-tube and seat-tube lengths to the carbon SLR01, but the head-tube is 7mm taller at 155mm, possibly because of the space needed to attach the tubes.
BMC has stayed faithful to the SLR01’s most important attributes by almost exactly mirroring the geometry
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