DT Swiss H 1900 SPLINE® 30 Hybrid E-MTB Rear Wheel 29“ BOOST (12x148mm) SHIMANO HG

Push your limits - with the H 1900 SPLINE® 30 Hybrid rear wheel by DT Swiss for your e-mountain bike! When human muscle power is supported by motor drive, then steep climbs and challenging terrain can be conquered.

DT Swiss is using the hashtag #missionhybrid to share their mission to meet all the requirements that e-MTB riders place on their components. High torques and a significantly higher system weight put much more strain on your wheels on demanding up- or downhill tracks than traditional, non-assist mountain bikes. Thanks to many years of experience in wheel building and modern test and analysis methods, DT Swiss has developed special hybrid components that are much more durable and robust than traditional MTB components – without suffering from overweight.

The rear H 1900 SPLINE® 30 system wheel is the perfect entry into the world of hybrid wheels by DT Swiss. It even feels at home on rough terrain and is always up for new adventures thanks to a reliable Swiss precision hub, strong spokes and a robust, lightweight rim. The high-quality, CNC-milled 370 SPLINE® hub incorporates the entire hub know-how of DT Swiss. Since model year 2022 it also has the Ratchet LN freewheel system, a high-quality toothed disc system that replaces the classic pawl freewheel.
An inner rim width of 30 mm makes for a large tyre volume, which helps you find the best grip – whether on loose gravel or on a root-filled path, up- or downhill!

Tip:
Mountain bikers riding without electrical assistance can also benefit from the additional stability and durability these wheels offer, especially if they place high demands on the material.


Technologies:

• RATCHET LN:
The Ratchet LN freehub system is the entry into the world of high-quality ratchet systems from DT Swiss and raises the items from the lower price segment to a new level. In the reliable 370 hub, the Ratchet LN freehub replaces the classic 3-pawl freehub system. It uses the same internal parts as the ratchet system. The difference between the two systems is that the freehub system is sealed via a sealing ring on the freehub body. This means that older ratchet systems with Ratchet LN can also be converted to a DT Swiss Ratchet system.

• HYBRID HUB:
All DT Swiss HYBRID hubs have oversized housings with increased wall thickness, are equipped with heavy duty axles and have extra reinforced spoke mounts as well as oversized bearings and steel freewheel bodies. Thanks to these optimisations, a system weight of up to 150 kg is permitted, despite only a slight increase in weight compared to a standard DT MTB hub. The result is a hub that can handle very high torques, offers direct propulsion and, combined with the other HYBRID components, produces extremely robust wheels.

• HYBRID-SPOKES:
The DT Swiss HYBRID system requires spokes that not only withstand the higher weight and torque of a modern E-MTB, but also fit perfectly with the oversized spoke mounts of the in-house HYBRID hubs. The specially-designed spokes feature reinforced and oversized straight-pull spoke heads which, together with the DT Pro Lock Squorx nipples, ensure that the combined power of rider and drive is also converted into propulsion.

• HYBRID RIM:
Lots of uphill and downhill rides on rough terrain with an E-MTB means that the rims have a very hard life. DT Swiss HYBRID rims have proven rim profiles with load-optimised cross-sections and are approved for a system weight of up to 150 kg. For maximum stability, the strength and material thickness have been increased wherever it makes sense. DT Swiss hybrid rims are reinforced to withstand up to 20% higher spoke pull out forces compared to DT Enduro rims.

• TUBELESS:
All DT Swiss wheels are tubeless ready. The profiles of the DT Swiss rims are specially designed for tubeless use. The rim profile makes it easier to fit the right tyre and ensures a perfect fit. The tubeless system of the rim consists of DT Swiss tubeless ready tape for sealing and a DT Swiss tubeless valve in a length that complies with the rim. When using tubeless ready tyres, a compatible sealant must be used. However, it is also possible to use a conventional combination of tyre and inner tube.

• BEARINGS:
Having learned from years of experience, DT Swiss only uses durable cartridge bearings without bearing play adjustment. DT Swiss hubs are designed to have the optimum axial and radial bearing play when they are properly installed. The correct preload of the bearings to compensate for the clamping force of the wheel mounting system is the basis for a play-free hub with minimum friction.

• PRO LOCK®:
DT Pro Lock® prevents the spoke-nipple connection from loosening. In the Pro Lock® process, a special dual component adhesive is injected into the nipple thread, allowing for extremely durable wheel builds. By threading the nipple onto the spoke the adhesive is activated and then hardens completely within a few hours. Re-truing the wheel is possible, yet it will cause a slight decrease in the adhesive power each time.


Technical details:

Rim:
• Wheel size: 29" 
• Rim material: aluminium
• Rim type: clincher
• Brake type: disc brake
• Rim depth: 20 mm
• Rim width: 35 mm
• Inner rim width: 30 mm
• ETRTO: 30 - 622
• Valve type: Presta (Ø 6.5 mm)
• Tubeless capability: yes (tubeless ready) 
• Suitable for tyre widths: 1.5" - 3.0"

Spokes and nipples:
• Spoke type: DT Swiss hybrid 1 straightpull
• Number of spokes: 28 pieces
• Lacing: 3-cross
• Nipples: DT Swiss ProLock® Squorx ProHead aluminium

Hub:
• Series: • 370, SPLINE®, 4 sealed cartridge bearings 
• Brake type: Disc brakes
• Hub body: aluminium 
• Brake disc mount: IS 6-bolt 
• Freehub body: aluminium 
• Freewheel body standard: SHIMANO HG Spline M
• Freewheel system: DT Ratchet LN, 18T (20° degree engagement)

Axle:
• 12 x 148 mm (BOOST thru axle)

Cassette compatibility:
• SHIMANO 8-/9-/10-/11-speed Road/MTB cassettes and SHIMANO ROAD 12-speed cassettes
• SRAM 8-/9-/10-speed Road/MTB cassettes
• SRAM 11-speed Road cassettes
as well as other SHIMANO HG-compatible cassettes.

Weight:
• Weight: approx. 1192 g

Clearance:
• ASTM classification: 4 (for extremely rough, blocked terrain with jumps/drops of up to 121 cm)
• Max. system weight: 150 kg (cyclist, bike, gear and luggage)
• E-bike release: yes (for licence-free pedelecs up to 25 km/h pedal assistance) 


In the box:
• 1 DT Swiss H 1900 SPLINE® 30 29“ rear wheel SHIMANO HG
• 1 DT Swiss Tubeless Ready rim tape 32 mm (fitted)
• 1 DT Swiss tubeless valve 32 mm

Manufacturer: DT Swiss AG, Längfeldweg 101, 2504 Biel, Switzerland, www.dtswiss.com
Responsible person: MERIDA & CENTURION Germany GmbH, Blumenstraße 49-51, 71106 Magstadt, Germany, www.mcg-parts.de