BST Mamba 7 TEK carbon rear wheel for Yamaha YZF-R1/M RN32 RN49 RN65
7.05 lbs / 3.2 k g
02 · Data & docs

The facts.

Technical data
BrandBST
ModelMamba 7 TEK
Wheel positionRear
Weight7.05 lbs / 3.2 kg
Available sizes6.0" x 17" | 6.25" x 17" | 6.75" x 17"
Rim materialPre-preg carbon fibre
Hub materialCNC-machined 6082 T6 aluminium
CertificationsDOT E, JWL
FitmentYamaha YZF-R1/M RN32, RN49 & RN65 (2015–2026)
DescriptionThe whole story▼

When every tenth of a second counts on circuit, the BST Mamba 7 TEK carbon rear wheel gives Yamaha YZF-R1 and R1M riders a genuine performance edge. Tipping the scales at just 3.2 kg (7.05 lbs), this pre-preg carbon fibre and CNC-machined 6082 T6 aluminium hub construction slashes rotating mass at the rear axle — sharpening acceleration out of corners, improving braking response and reducing unsprung weight for more compliant suspension behaviour lap after lap.

Key Features

  • Race-derived weight of 3.2 kg / 7.05 lbs — a dramatic reduction in rotating and unsprung mass for measurably faster acceleration and more precise handling
  • Pre-preg carbon fibre rim bonded to a precision CNC-machined 6082 T6 aluminium hub — engineered for extreme structural integrity under sustained race loads
  • DOT E and JWL certified — fully homologated for both track days and road use without compromise
  • Extreme load ratings: 994.3 lbs / 451 kg radial load, 617 lbs / 280 kg static load, 772 Nm cornering load, 1,030 Nm torsional load
  • Ultra-high-speed 90° aluminium racing valve with cap included as standard
  • Available with steel or ceramic bearing options to suit road touring or all-out race applications
  • 2-year manufacturer warranty

Construction & Engineering

The Mamba 7 TEK is built around BST's time-proven pre-preg carbon fibre layup process, where fibres are pre-impregnated with a precisely controlled resin matrix before being laid up and cured under controlled heat and pressure. The result is a rim with an exceptional strength-to-weight ratio that maintains dimensional stability under the cornering and braking loads generated by a high-powered superbike. The hub is machined from aerospace-grade 6082 T6 aluminium alloy, chosen for its excellent fatigue resistance and compatibility with carbon fibre co-efficients. Buyers can specify steel or ceramic bearings depending on application: steel bearings offer proven durability for mixed road and track use, while ceramic bearings reduce rotational friction further for dedicated race environments.

Track Performance & Road Homologation

Reducing rotating mass at the rear wheel is one of the highest-return modifications available to a sports rider. The Mamba 7 TEK delivers this benefit without sacrificing the legal compliance required for road registration — DOT E and JWL approvals cover both track and public road use. The wheel is supplied in the original OEM fitment size as standard; alternative dimensions are available on request, making it straightforward to explore alternative tyre profiles for specific circuit setups.

Fitment & Compatibility

This rear wheel is a direct fitment for the following Yamaha models:

  • Yamaha YZF-R1 RN32 (2015–2016)
  • Yamaha YZF-R1 RN49 (2017–2020)
  • Yamaha YZF-R1 RN65 (2021–2026)
  • Yamaha YZF-R1M RN32 (2015–2016)
  • Yamaha YZF-R1M RN49 (2017–2020)
  • Yamaha YZF-R1M RN65 (2021–2026)

Supplied in OEM size as standard. Other dimensions available on request.

Specifications

Specification Detail
Weight 7.05 lbs / 3.2 kg
Available sizes 6.0" x 17" | 6.25" x 17" | 6.75" x 17"
Rim material Pre-preg carbon fibre
Hub material CNC-machined 6082 T6 aluminium
Radial load rating 994.3 lbs / 451 kg
Static load rating 617 lbs / 280 kg
Cornering load rating 772 Nm
Torsional load rating 1,030 Nm
Certifications DOT E, JWL
Valve Ultra-high-speed 90° aluminium racing valve with cap
Warranty 2 years
FitmentWhich bikes this fits▼
  • Yamaha YZF-R1/M RN32, RN49 & RN65 (2015–2026)
07 · Support

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