German part producer, BikeYoke, has stepped up its providing of cockpit elements with a mountain bike stem for 35mm clamp bars. Available in 35mm, 45mm and 55mm size choices, the BikeYoke Barkeeper is lightweight and will get a easy, clear aesthetic due to its one-piece design. This comes with the discharge of a one-piece high cap and a helpful little part referred to as Aimy that doubles up as a steerer tube clamp and headset spacer.
BikeYoke Barkeeper Stem
With a 35mm clamp and 35mm size, the BikeYoke Barkeeper stem weighs a claimed 86g (80g with Ti bolts), akin to the lightweight one-piece Grace stem from Intend. All Barkeeper stems within the vary are 3D solid, precision CNC machined for the specified contours, and subsequently shot-peened to additional strengthen the floor. The logos and markings are then laser engraved into the uncooked aluminum previous to anodization.
The main disadvantage of any one-piece stem is lack of compatibility with sure riser bars. BikeYoke keep away from stating an absolute quantity for rise. This is as a result of compatibility is decided by the form of the bar bend, not just by how excessive the rise is. They say most handlebars as much as 30mm rise ought to work wonderful; bars validated for compatibility with the BikeYoke Barkeeper embrace the Race Face SixC 35mm riser bar and OneUp’s ovalized 20mm riser bar.
In an try to extend the variety of bars appropriate with the Barkeeper stem, BikeYoke resolved to incorporate an set up wedge with the cargo of each stem that helps to prise open the clamping space to 9mm for extra clearance.
All Barkeeper stem lengths have been efficiently examined to exceed the necessities of the strongest attainable class for mountain bike elements (class 5) of DIN EN 17406:2021 and ASTM F2043-13.
With the launch of the Barkeeper, BikeYoke has additionally made obtainable a high cap, named the Topper, additionally of a one-piece design that eliminates the necessity for a separate metal bolt. The Topper is claimed to weigh lower than 5g, matches any M6-threaded star-fangled nut, and retails at $14 USD / 14€ .
The closing piece to the puzzle comes within the type of a neat little part referred to as Aimy, that doubles up as a steerer clamp and a headset spacer. Aimy provides 8mm of stack top, however not like a common headset spacer, it is additionally capable of clamp to the steerer. This means if you take away your stem to wash out the star nut space of the steerer, the fork ought to stay in place hands-free.
It additionally makes for a very helpful indicator when re-aligning the bar after a crash. The stem will usually rotate concerning the steerer throughout a crash, even when the clamp bolts are tightened to the particular torque suggestion, leaving the rider spending an inordinate period of time attempting to get every little thing lined up completely once more.
The BikeYoke Aimy spacer ought to, nonetheless, keep put. So, assuming you put in the Aimy spacer accurately first time round, you need to be capable of use it as a useful visible cue when realigning your stem and bar. The Aimy weighs a claimed 8g and retails at $16 USD / 16€.
Pricing & Availability
The BikeYoke Barkeeper stem is obtainable now in a 35mm clamp diameter solely, with lengths of 35mm, 45mm and 55mm. All retail at $89 USD / 89€ with customary metal bolts. Spend an additional $25 USD / 25€ to loosen up with Ti bolts.