for Bosch engines Gen.4 (Cargo Line and Performance Line CX), Gen.3 (Active Line Plus) and Gen.1 (Classic Line), and Yamaha, Bafang and Brose, 1/2 x 1/8"
steel, black, cathodic dip coated, material thickness: 3,0mm, 4-hole adapter for spider, circle diameter: 104mm, flat

4-arm, for 11-/12-speed, 96mm circle diameter, steel
self-service package

for Bosch engines Generation 3 (Active Line Plus), 1/2 x 3/32" and 1/2 x 11/128"
steel, black, cathodic tauch dip coating, material thickness: 2,0mm, direct mount, with one spacer, allows two chainlines
47,5: spacer is mounted between chain ring and lock ring
50,5: apacer is mounted between engine and chain ring

CrMo, black
11/128", 47,5mm or 50mm chainline, adjustable with spacer, Direct Mount, for Bosch Gen.3

4-arm, 9-/10-speed, 3/32", for 3-speed cranks, symmetric
self-service package, incl. shift ramps

CrMo, black
11/128", for Bosch Gen.4

for Bosch engines Generation 4 (Performance Line CX), 1/2 x 3/32" and 1/2 x 11/128"
direct mount, incl. spacer, steel, black, cathodic dip coating, material thickness: 3,0mm

self-service package, for Bosch Gen.3, Yamaha, Brose, Bafang, 1/2" x 3/32 and 1/2" x 11/128", 4 x 104mm circle diameter

for Panasonic "Next Generation" engines (GXO engine), 1/2 x 3/32"
material thickness: 2,0mm, for spider mount 4-hole, zinc-plated

for Panasonic engines 36 Volt system, 1/2 x 3/32"
material thickness: 2,0mm, interior clearance: 28 teeth. KTL (cathodic dip painting) coating - guarantees extreme durability of the surface