Rim Road ZTR ALPHA 400 Black

Reference : STANRWAP90024
Lightweight alloy road rim
Weight : 425 gr
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-25 %
159.90 €
119.93 € Prix public 159.90 € TTC
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    Rim Road ZTR ALPHA 400 Black 18 STANRWAP90024
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    The ZTR ALPHA 340 are perfect for road and cyclocross and can be run with tubes or tubeless
    Meet the ZTR Alpha 400, a rim that shares the same dimensions and patented Bead Socket Technology as the Alpha 340 but adds a triple channel internal arch design that makes this rim nearly indestructible. The ZTR Alpha 400 also offers a 33% thicker spoke bed than the original Alpha 340 rim for maximum durability
    When combined with road tubeless tires, the Alpha offers a ride normally only found with tubular tires and rims, but maintains the simplicity and low maintenance of a clincher. Light and fast on the outside, ultra-stiff and strong on the inside, the new ZTR Alpha 400 is the ultimate rim and wheelset for big miles
    Bead Socket Technology (BSTR) for superior tubeless performance
    Lightweight design for instant acceleration
    Wide, low-profile rim design for better cornering and faster rolling
    Compatible with road tubeless-specific clinchers and conventional clinchers when used with tubes  

    Black anodized finish with a machined brake track for consistent braking performance  

    Size: 700c x 20mm
    Material: 6061 Aluminium Alloy
    Color: Black
    Rim Internal Width: 17.0mm
    Rim External Width: 20.0mm
    Rim Depth: 22.6mm
    Available Hole: 18 - 20 - 24 - 28 - 32
    Brakes: Rim Brake
    Weight: 425g
    ETRTO: 622x17
    ISO: 20.0
    ERD: 592
    Tape Width: 21mm
    Valve: Presta
    Max Spoke Tension: 125kgf (1225N)
    Max Pressure with 23mm Tire: 116psi
    Max Pressure with 32mm Tire: 45psi  

    Fully tubeless compatible with 2 layers of 21mm yellow tape and 44mm valve stem  

    Note: The 18 hole and 20 hole Alpha 400 rims are not recommended for use as a rear wheel and will not be covered under warranty when used as a rear wheel  

    BST-R rims offer maximum versatility with the widest range of tires and pressures. Compatible with 25mm to 32mm tires at pressures up to 115psi both with and without tubes, BST-R rims are also compatible with wider, higher-volume tubeless tires at pressures below 45psi  
    BST-R Tubeless Technology for Higher Pressures
    Our BST-R rim shapes are designed for maximum versatility, and can be used with a wide range of tires. Higher volume tires 32mm to 50mm wide can be used at pressures up to 45psi (3.1 bar). The BST-R rim shape can also be used with 25mm to 32mm road tires specifically designated as "tubeless" at pressures up to 115psi (7.9 bar). BST-R rims can also be used with tubes, at pressures up to 115psi  
    Key Differences Between BST and BST-R
    Our BST system was developed specifically for tubeless use with pressures below 45psi. From our Iron Cross to our Hugo, we offer low pressure BST rims for tires in the 32mm to 122mm width range. The broader pressure range of our BST-R Series rims and wheelsets means they're optimized for tubeless use with tires in the 32mm to 50mm range at pressures of 45psi or lower, as well as 25mm to 32mm tires specifically designated as "tubeless" that feature reinforced beads designed for pressures up to 115psi. Both BST and BST-R rims and wheelsets may be used with tubes
    The patented design of our BST-R rims secures the tire's bead, creating an air tight seal that lets the tire expand to its full volume. The result is more traction and less rolling resistance for increased speed  
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