e*thirteen's Grappler range covers enduro, downhill, trail and e-MTB riding with a deliberately small line-up: three tread patterns, three casings and two compounds, so it's easier to pick the right front and rear combination.

Highlights

  • Grappler: aggressive open-knob tread for front or rear, Enduro/DH/E-MTB/Trail
  • Grappler RS: rear-specific tread with taller centre knobs for braking bite and rolling speed
  • Grappler TR: lower-profile centre tread for faster rolling on aggressive trail and all-mountain use
  • Flux GR Radial casing for improved terrain conformity and bump absorption
  • Tubeless ready

Tread patterns

Grappler is the all-round aggressive tread: tall, siped side lugs for predictable cornering at any lean angle, and an open knob layout that clears mud and debris. It runs front or rear. Grappler RS is rear-specific, with taller centre knobs and a steeper ramp angle for stronger braking bite and faster rolling under power. Grappler TR shares the Grappler's shoulder lugs but uses a lower-profile centre tread for reduced rolling resistance, suiting aggressive trail and all-mountain riding front or rear.

Casings and compounds

Flux GR is the full-strength casing: 72 TPI dual-ply with GR Apex sidewall inserts, built for Enduro, DH and high-power e-MTB use. Flux AM uses the same tread in a lighter 90 TPI dual-ply casing with Armor Weave sidewall protection, suiting trail and all-mountain riding. Flux GR Radial is a 72 TPI dual-ply radial casing with Dual Apex sidewall inserts, trading some weight for better bump absorption and terrain conformity. MoPo is a pure 42a single compound for maximum grip, the usual choice up front or for gravity riding. Momentum is a dual compound – 50a centre lugs for faster rolling and durability, 42a shoulder lugs for cornering grip – a common rear-tyre choice or a durable front/rear pairing.

Options

Wheel sizeTreadCasingCompoundWhat differs
27.5in / 29inGrapplerFlux GRMoPo / MomentumFront or rear; full-strength 72 TPI casing with GR Apex inserts
27.5in / 29inGrapplerFlux AMMoPo / MomentumFront or rear; lighter 90 TPI casing with Armor Weave sidewall
27.5in / 29inGrapplerFlux GR RadialMoPo / MomentumFront or rear; radial casing with Dual Apex inserts for bump absorption
27.5inGrappler RSFlux GRMoPoRear-specific tread, taller centre knobs for braking and rolling speed
27.5inGrappler RSFlux GR RadialMoPo / MomentumRear-specific tread on the radial casing
27.5in / 29inGrappler TRFlux AMMomentumLower-profile centre tread for faster rolling, front or rear

Compatibility & fit

Tubeless ready on 27.5in and 29in wheels, 2.4–2.5in widths depending on model. Set up with e*thirteen tubeless tape, sealant and valves, or ask the Tune workshop to fit and seal them for you.

e*thirteen's Infinite Ride warranty covers this product for 10 years against manufacturing and material defects, to the original owner with proof of purchase. This is in addition to your rights under the Australian Consumer Law, so keep your proof of purchase. For warranty support, return the product to Tune Cycles and we'll manage the claim with e*thirteen's Australian distributor.
Three tread patterns: Grappler, Grappler RS (rear), Grappler TR, Flux GR, Flux AM and Flux GR Radial casings, MoPo (single) and Momentum (dual) compounds, 27.5in and 29in wheel sizes, Tubeless ready
Tread patternsGrappler (front/rear), Grappler RS (rear), Grappler TR (front/rear)
CasingsFlux GR: 72 TPI, 2-ply, GR Apex inserts. Flux AM: 90 TPI, 2-ply, Armor Weave sidewall. Flux GR Radial: 72 TPI, 2-ply, Dual Apex inserts
CompoundsMoPo: 42a single compound. Momentum: 50a centre / 42a shoulder dual compound
Wheel sizes27.5in, 29in
CompatibilityTubeless ready
SKU DTW-ETG-TY-PAR
Brand e*Thirteen

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