QRC3S-B From 349g

Bromptom specific integrated crankset ( Bromptom C-P-T line )

Every kit includes our super-lightweight BB for the specific Bromptom BSA offsetted BB shell
Options and wetights for full Left + Right BB assembly:
XD-15 (63.0g)
HyperCeramic (67.7g)
Enduro Abec5 (67.7g)
Enduro stainless 440C(68.7g)

Exotic holllow 3D-CNC with Ø30mm Axle and bearings.
Narrow "Q" factor 147mm and 170mm arm length.
Integrated BCD-110mm chainring spider and 5 integrated female bolts.

Hollow profile, highly stiff, an impressive CNC artwork

Hours of state-of-art, point-to-point 5 Axis 3D milling technology are employed on each unit.
Each crankset receives the same sculpturing process and care once limited only to works prototypes.

Special custom tools have been developed to achieve a super deep and efficient hollow structure.
Self extracting left crank: no special tools required. Stylish and precise "click-dial" bearing preload system.

QRC3 S spider arms feature built-it female chainring-bolts to simplify and enlighten the final assembly.
We recommend Extralite chainrings for perfect cosmetic match and further weight reduction

Full Kit includes OctaPhase 52T or 54T single-specific chainring exclusively made in the perfect color match.

52T 75g / 54T 79g

Configure

Bromptom specific crankset ( Bromptom C-P-T line ), 145mm "Q" factor.
Exotic holllow 3D-CNC levers (170mm) with intergrated Ø30mm Axle.
Integrated BCD-110mm chainring spider with 5 integrated female bolts.

Weight 349g includes: crank levers, spider, axle, axle bolt, extractor ring, "click-dial" bearing-preload ring and both bushings for the bearing support.
Base Kit includes Cranks, Axle + Axle-bolt, Aero-Nose, 5 Chainring Bolts, Bearings and Cups for the specific Bromptom BSA offsetted BB shell.
Full Kit includes also 52T or 54T OctaPhase chainring phased, 52T 75g / 54T 79g

Bearing options: ABI-Enduro, ABI-Enduro stainless, HyperCeramic or Enduro XD-15

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