RR 421 Asymmetric DB SBWT Disc Brake RimDT Swiss RR 421 Asymmetric DB SBWT Disc Brake Rim is designed for cyclists who want to enjoy wider tyres without adding extra weight. With an internal width of 20 mm, this rim is ideal for modern endurance road disc brake bikes and weighs just 430 grams. Key Features The asymmetrical rim profile helps balance the offset from disc brake hubs, improving spoke angles and ensuring even tension for a stronger wheel. For optimal spoke angle balance, lace

ADVANCED SIDE VISIBILITY

this rear derailleur delivers smooth

ensuring precise alignment with the derailleur for optimal performance

These do fit on Lightning cranks however but there may be chainline issues

Contoured surface enhances comfort on extended rides

Silicone gripper

Pair of Hope jockey wheels suitable for SRAM rear mechs using 12 and 14T jockey wheels

Compatible with Marzocchi Z2 & Ohlins RXF34

Handling duct tape

were tired of getting stuck in mud-covered pedals with no way in or out

and a new MCU bumper for progressivity and end-stroke control - the all-new DHX2 is ready to race straight out of the gate

Requires use with super SLR levers to achieve the correct leverage ratio