BBB RollerBoys 12T and 14T Jockey Wheels - nero, nero

Bbb rollerboys 12t and 14t jockey wheelsthese mountain bike (mtb) jockey wheels are compatible with sram 12 speed rear derailleurs and are a great way to breathe new life into your existing set-up.

They feature a reliable grivory ems construction, which is a composite material provided by ems swiss with a 40% glass-fibre mixture.

Bbb has also equipped the tension pulley with a narrow-wide tooth profile for ultimate chain retention wherever your next trail adventure leads you.

Another highlight is these are kitted out with chromoly (crmo) steel sealed bearings for exceptionally smooth performance and durability in all-weather conditions.

The rollerboys will make your bike ride so smooth that you will never stop anymore.

The composite material is strong and durable and the special teeth pattern makes sure you can shift to a higher gear with the speed of light.

High-quality pulley wheels are a must-have for every serious bike rider, with the rollerboys you are good to go.

For more than 20 years bbb cycling is part of your ride.

Established in 1998 by two passionate cyclists, chris koppert and frank moons following their retirement from professional racing in the 90s.

Being former professional cyclists themselves they understood what cyclists needed and started to create quality products.

Features: material: grivory ems bearings material: chromoly (crmo) steel, sealed bearings use: mtb compatibility: sram gears compatibility: 12 speed pulley size: 12t and 14t narrow.

Wide: tension pulley onlytechnologies: narrow wide tooth profiling ensures ultimate chain retention.

Composite material provided by ems swiss, with 40% glass-fiber mixture.

Sealed bearings.

Compatible with sram 12-speed mtb.

Manufacturers part numbers: 2913610701 black 12t and 14tbuy bbb components from chain reaction cycles, the worlds largest online bike store.