Bicycle Parts for B2B Sourcing
Brake rotors, bicycle pedals, rear derailleur oversized pulley cage systems and OEM / ODM bicycle components for brands, importers, distributors and assembly projects.
Use the confirmed product specifications below as a starting point, then send the required SKU, quantity, destination and customization requirements for quotation review.
Core Product Categories
Bicycle Brake Rotors
2Cr13 stainless braking tracks (SUS420 series), 6-bolt 44 / 54 / 68 mm patterns, Center Lock structures, carbon-fiber carrier floating rotors, standard 1.8 mm and heavy-duty rotor options.
Bicycle Pedals
PP-001 carbon-fiber platform pedal with Cr-Mo steel axle, three sealed bearings per pedal, 110 × 80 × 24 mm size and approx. 268 g per pair.
Oversized Pulley Cage Systems
Confirmed UT, 105, 5800 and 6800-series Shimano 11-speed configurations with 13T / 18T or 16T / 17T pulley combinations, black and iridescent versions.
OEM / Custom Bicycle Parts
Custom bicycle parts and related bicycle accessories can be reviewed from drawings, samples, reference photos or purchasing specifications.
Confirmed Product Highlights
Rotor Service Limits
Confirmed 1.8 mm standard rotors use a 1.5 mm minimum allowable service thickness. Selected 2.3 mm nominal heavy-duty models use a 2.0 mm minimum allowable service thickness.
Center Lock Supply Structure
QUNKE Center Lock rotors have the dedicated lock base pressed into the rotor body; the dedicated lock cover is supplied as an accessory.
6-Bolt Rotor Hardware
Confirmed 6-bolt rotor sets use hex-socket rotor bolts and include an Allen key.
Color Customization
Color rotor and pulley products can support custom colors. Final color is subject to order or sample confirmation and reasonable batch variation may occur.
B2B Buyer Guides
Use these procurement guides to prepare specifications before sending an RFQ. They cover the product details that most often affect compatibility, quotation accuracy and project review.
Brake Rotor RFQ Checklist
Prepare mounting, diameter, thickness, material, finish, quantity and packaging requirements before quotation.
Brake Rotor Diameter & Mounting Guide
Clarify rotor diameter and mounting interface to reduce specification ambiguity.
Floating vs One-Piece Brake Rotors
Review construction differences when comparing rotor sourcing options.
Bicycle Pedal RFQ Checklist
Prepare dimensions, axle, bearings, branding, quantity and packaging details for pedal sourcing.
Jockey Wheel Compatibility Checklist
Confirm drivetrain family, tooth configuration and compatibility references before inquiry.
How to Start a Product Inquiry
Specifications and commercial terms are confirmed after project review.
Need Help Choosing the Right Product?
Send a product photo, drawing, SKU reference or description and QUNKE will review the available information.