Zipp has rolled out an all-new vary of light-weight carbon mountain motorcycle wheels for XC and light-weight path driving. There are two wheelsets introduced lately; the Zipp 1ZERO HiTOP SW, and the 1ZERO HiTOP S, each boasting the similar extremely compliant rim mentioned to assist elevate velocity via tough terrain, and boost up briefly out of corners.
The SW and S fashions proportion the exact same shallow (21.2mm) rim with a 30mm inner width, which has just lately turn into the go-to rim intensity for XC racers all over the world. The wheelsets vary of their hubset specs, spokes and nipples. The highest-end HiTOP SW is offered with the brand new Quarq TyreWiz 2.0 (extra on that right here), and is in fact the costlier choice.
Regardless, each are supposed for XC racing, mild path driving, hardtail driving or complete suspension motorcycles with as much as 130mm of rear wheel trip. And, each are offered with an entire life guaranty. Right here’s a temporary evaluate of Zipp’s new carbon cross-country wheels.
Zipp HiTOP Carbon MTB Rim
The Zipp 1ZERO HiTOP carbon rims get an uneven profile with a hookless rim bead seat design with a 30mm inner width. The really useful tire dimension is two.3″ to two.5″, regardless that 1.85″ to two.8″ tires would even be authorised. The exterior width on the rim edge is 37.7mm, giving that prime edge a thicker wall that form of overhangs the remainder of the rim wall within the outboard path. Zipp says this is helping to cut back the probabilities of a pinch-flat.
The Zipp 1ZERO HiTOP are offered as particular person wheels solely, with out a rim-only choice to be had.
1ZERO HiTOP SW
The 1ZERO HiTOP SW wheels are Zipp’s top class providing. Zipp promote each entrance and rear wheels with the Quarq TyreWiz 2.0 (price $150 USD), giving the rider rapid get right of entry to to correct tire drive readings. The entrance will set you again $925 USD (£950), whilst the rear will value you $1,025 USD (£1,050).
- Wheels: Zipp 1ZERO HiTOP SW
- Rim Inside Width: 30mm rim
- Rim Exterior Width: 37.7mm
- Spoke Rely: 24
- Hubset: ZM2 SL Hub
- Motive force Choices: XD and Microspline
- Spice up solely
- Claimed Weight: 1,325 grams
On the middle of the HiTOP SW is the brand new ZM2 SL hub boasting 66 POEs, with force engagement coming no later than each 5.45°. It runs the exact same force mechanism observed within the Zipp ZR1 highway hubs. That’s a 33-tooth ratchet ring, pushed by way of one among two units of spring-backed pawls which might be offset of their timing. That successfully doubles the 33 POEs to 66 POEs for quicker pick-up. That’s one thing that are meant to turn out to be nice in technical mountaineering eventualities.
The ZM2 SL hubset is center-lock solely. Twenty-four spokes of the Sapim CX Ray selection lace it to the rim, terminating at aluminum nipples. The entrance hub is suitable with each usual 19mm thru-axle end-caps, and 31mm RockShox Torque caps. The Torque Cap is available in two separate items to permit compatibility with the CL brake rotor.
1 ZERO HiTOP S
The Zipp 1ZERO HiTOP S Wheels are the extra inexpensive of the 2 choices introduced lately. A suite will put you again $1,350 USD (£1,400); that’s $725 USD (£750) for the rear, and $625 USD (£650) for the entrance. Zipp don’t provide the TyreWiz 2.0 with the HiTOP S as usual. Those are offered one at a time at $120 USD (£130 // 145€) in keeping with pair, with an additional $30 USD to be spent at the suitable duration valve stem pack.
- Wheels: Zipp 1ZERO HiTOP S
- Rim Inside Width: 30mm rim
- Rim Exterior Width: 37.7mm
- Spoke Rely: 24
- Hubset: ZM 900 Hub
- Motive force Choices: XD and Microspline
- Spice up solely
- Claimed Weight: 1,495 grams
The HiTOP S is targeted concerning the 6-Bolt ZM 900 SL Hubset this is moderately slower to pick-up than the ZM2 SL of the HiTOP SW wheel. It runs two units of 2 pawls, offset of their timing, interfacing with a 26-tooth force ring. That successfully delivers 55 POEs, with pick-up coming no later than each 6.54°. Twenty-four Sapim CX Dash spokes lace the rim to the hub.
Are you able to run the Zipp 1ZERO HiTOP Wheels on an eMTB?
Zipp says, aye. However, solely on light-weight eBikes the place the motor’s most torque does now not exceed 55 Nm. Riders nonetheless want to aware that they don’t exceed the gadget weight prohibit for those wheels, which is 286 lbs (130 kg). Talking of limits, the utmost tire drive is 50 PSI (3.45 bar).