Berthoud Ahead Style Decaleur 83mm version - new

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Berthoud Ahead Style Decaleur, second longest variety, effecitive 83mm length This is now a product exclusive to Boulder Bicycle. It is essentially one of the 91 model decaleurs for quill stems but with the Ahead style hardware package In the past, we had to make these combos by mixing parts which was very expensive (we needed two decaleurs to make one, or we had to fabricate parts ourselves). Because of our special arrangement, we are able to bring the price down These Berthoud decaleurs are for 4-bolt face plate Ahead style stems using 5 or 6mm bolts thar are around the low-to-mid 20mm distance apart Stems these work on include the IRD, Nitto, Soma, and VeloOrange, and some Ritchey The official threadless decaleurs come in two lengths From center of the tube widget that holds the decaleur against the stem to the center of the multi part tube that mounts to the bag, the length is 50mm or 70mm. But on some installations, you need to get the decaleur to reach much further down. For such cases, we can supply the decaleur with the extension part that is usually used with quill type stems. For those, the measurements are roughly 83mm or 113mm Offered here is the 83mm version Now, we've sold lots of folks Berthoud decaleurs, and on occasion folks have issues with the decaleur rotating. You need to get the bolts really tight to lock in the rotation. And we would suggest that you carry a 4mm allen to tighten it if it does come loose. We do make our own anti-rotation widget for these. But the new wave of Berthoud decaleurs are slightly different dimensionally and we are currently re-designing them. But we've talked to many folks who have been extremely pleased with the Berthoud design as it is, so it seems our anti-rotation modification while nice and helpful is both costly and in many cases unnecessary. Currently, the Berthoud decaleur is probably the most reliable in terms of the bag not jumping compared with any other design including our own Rene Herse. The Berthoud design is a bit more cumbersome to remove, but we've been using it on the shop Boulder Bicycles that we ride, and we're very pleased.