5Dev R-Spec Trail/Enduro Cranks 155mm / 30mm Spindle - Sil Model=Volume Spacers Features a 13-tooth upper and

Features a 13-tooth upper and 19-tooth lower aluminum pulley wheels with Grade 3 Silicon Nitride balls to provide absolute optimization of the rear derailleur

Reflective elements increase your visibility to motorists in low-light conditions

Steel flanges and a specific 24t ratchet out of hardened steel guarantee to withstand the higher torque of e-drive systems

The CS-R8000 cassette meets durability requirements for E-MTB applications

Rod weight is 4

5Dev R-Spec Trail/Enduro Cranks 155mm / 30mm Spindle - Sil Model=Volume Spacers Features a 13-tooth upper andAn evolution of the original, now exceeding the ISO Race standard Low profile crank arm reduces pedal strike during technical climbs Compatible with SRAM 3 bolt direct mount chainring interface Q Factor: 167mm for 52mm Boost (176mm for Super Boost+) Now features a matte finish 5 year warranty Weight: 610g (165mm length with 29mm spindle) TECH SPECS model R Spec Trail Enduro length 155mm direct mount BCD 3 bolt configuration 1x spindle interface 30mm