Chimera Engineering Front Hub 4x90mm NON-ABS – Honda Grom & Monkey 125 (2014–2020)

Chimera Engineering Front Hub for Honda Grom & Monkey 125 – 4x91mm NON-ABS

Upgrade your Honda Grom or Monkey 125 with the Chimera Engineering CNC Machined Front Hub — precision-engineered in the USA from T-6061 billet aluminum to accept aftermarket 4" wide front rims with a clean, confident fit. Whether you're building a wide-tire street fighter or a custom track setup, this hub delivers the fitment accuracy and durability your build demands.

Fitment

• 2014–2020 Honda Grom 125 (NON-ABS, 4-bolt rotor)
• 2018 Honda Monkey 125 (NON-ABS, 4-bolt rotor)
• 2019+ NON-ABS Monkey 125 & Grom 125 — requires swapping to a 4-bolt rotor from a 2014–2018 Grom (OEM 5-bolt not compatible)

Specs

• Material: CNC Machined T-6061 Aluminum — Made in the USA
• Bolt Pattern: 4x91mm (M10x1.25mm thread holes)
• Center Hub Bore: 89mm
• Bearings: Nachi (Made in Japan), pre-pressed
• Weight: 2.3 lbs

In the Box

• Chimera Engineering Front Hub (4-bolt rotor pattern)
• Nachi bearings pre-installed

Notes

• Hardware not included — different rim designs require different bolt lengths. See our hardware section for M8x1.25mm bolts in various lengths.
• OEM brake rotor bolts from your Grom or Monkey can be reused.
• Compatible with OEM stock spacers or the Chimera Aluminum Wheel Spacer Set (CH-1137).