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  • Boundary IS Headset IS101 Top -black
  • Boundary IS Headset IS101 Top -red
  • Boundary IS Headset IS101 Bottom
  • Boundary IS Headset IS5 Top -black
  • Boundary IS Headset IS5 Bottom
  • Boundary IS Headset IS99 Bottom
  • Boundary IS Headset IS99 Top -black
  • Boundary IS Headset IS100 Top -balck
  • Boundary IS Headset IS15 Top -black
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SKU: IS5B-1-1

Boundary IS Headset

$18.90 USD
Color
$18.90 USD

Information

The outfit of headsets inherited the MORTOP aesthetic. Each one has an expert-certified bearing when you turn up the handlebar to feel the precision of each part reflect clever turning through the direction. Variety of bearing specifications satisfy the multiple fork’s tube steer size with the durable and stable performance.

Included: Upper
1 Screw
1 Top cap
1 Split ring
1 Height cap
1 Headset bearing
2 Bearing spacer

Lower
1 Headset bearing
1 Crown race

Specifications

Item S.H.I.S Frame Diameter Fork Steerer Top Stack Weight
IS5-Upper IS41/28.6 41mm 28.6(1-1/8 inch) 5.55mm 33.3g
IS15-Upper IS41/28.6 41mm 28.6(1-1/8 inch ) 15mm 39.3g
IS99-Upper IS42/28.6 41.8mm 28.6(1-1/8 inch ) 4mm 40.2g
IS100-Upper IS42/28.6 41.8mm 28.6(1-1/8 inch ) 12mm 53.3g
IS101-Upper IS42/28.6 41.8mm 28.6(1-1/8 inch ) 7mm 42g
IS5-Lower IS41/30 41mm 30(1-1/8 inch) - 22.8g
IS99-Lower IS47/33 46.9mm 33(1-1/4 inch) - 35.2g
IS101-Lower IS52/40 51.8mm 39.8(1.5 inch) - 38.8g
-Upper Headset and Lower Headset sold separately.
-Expander and star nut excluded and sold individually.

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