Shimano RD-M6100 Rear Derailleur Deore Shadow+ 12-Sped Long 51T Maximum
Shimano RD-M6100 Rear Derailleur Deore Shadow+ 12-Sped Long 51T Maximum
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Shimano RD-M6100 Rear Derailleur Deore Shadow+ 12-Sped Long 51T Maximum

Regular price $109.99

Shimano RD-M6100 Rear Derailleur Deore 12-Speed 51T Max

The Shimano Deore M6100 rear derailleurs deliver advanced shifting performance with decreased tension in the low gear position. Larger 13T pulleys increase efficiency and chain management while compatibility with Shimano’s 12-speed cassettes boosts range.

 

FEATURES

• 1×12-speed Shimano Shadow RD+ rear derailleur
• Fast and precise shifting for modern mountain biking
• Silent drivetrain in all gear positions
• Decreased rear derailleur and chain tension in low gear
• Bigger 13T pulley
• Stable drivetrain in rough terrain
• Low-profile design avoids damage from rocks
• Chain stabiliser reduces chain drop, slap and noise

 

PRODUCT SPECIFICATIONS

Model No: RD-M6100-SGS
Series: Deore M6100 Series
Colour: Series colour
Rear speeds: 12
Compatible chain: HG 12-speed
Top-normal spring type|Shimano Shadow RD+: Yes
Mount|Direct attachment (conventional): Yes
Max. front difference: 0T
Total capacity: 41T
Low sprocket|Max.: 51T
Low sprocket|Min.: 51T
Top sprocket|Max.: 10T
Top sprocket|Min.: 10T
Fluoric coated link bushings: 7
Pulley|Teeth: 13T
Pulley|Sunken type pulley screw: Yes
B-axle|Hollow axle: Yes

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Description

Shimano RD-M6100 Rear Derailleur Deore 12-Speed 51T Max

The Shimano Deore M6100 rear derailleurs deliver advanced shifting performance with decreased tension in the low gear position. Larger 13T pulleys increase efficiency and chain management while compatibility with Shimano’s 12-speed cassettes boosts range.

 

FEATURES

• 1×12-speed Shimano Shadow RD+ rear derailleur
• Fast and precise shifting for modern mountain biking
• Silent drivetrain in all gear positions
• Decreased rear derailleur and chain tension in low gear
• Bigger 13T pulley
• Stable drivetrain in rough terrain
• Low-profile design avoids damage from rocks
• Chain stabiliser reduces chain drop, slap and noise

 

PRODUCT SPECIFICATIONS

Model No: RD-M6100-SGS
Series: Deore M6100 Series
Colour: Series colour
Rear speeds: 12
Compatible chain: HG 12-speed
Top-normal spring type|Shimano Shadow RD+: Yes
Mount|Direct attachment (conventional): Yes
Max. front difference: 0T
Total capacity: 41T
Low sprocket|Max.: 51T
Low sprocket|Min.: 51T
Top sprocket|Max.: 10T
Top sprocket|Min.: 10T
Fluoric coated link bushings: 7
Pulley|Teeth: 13T
Pulley|Sunken type pulley screw: Yes
B-axle|Hollow axle: Yes

Delivery & Returns Policy

Delivery

  • Orders are packed and shipped within 2 business days.
  • Delivery times vary depending on location but are typically 2–5 business days Australia-wide.
  • Orders under $100: Flat rate of $20.
  • Orders over $100: Free delivery Australia-wide.
  • We ship Australia-wide using Fast Couriers and Australia Post.
  • Delivery is available to PO boxes, parcel lockers, and physical addresses.
  • Tracking details will be emailed once your order has shipped.
  • Express shipping is available for urgent orders.
  • You can also choose in-store pickup at Currumbin Cycles.
  • Specific delivery dates and times cannot be guaranteed.
  • If you’re not home, your courier may leave the package, attempt redelivery, or take it to a local depot.
  • You may nominate a delivery address different from your billing address at checkout.

Bicycle Assembly & Delivery

  • Assembly requirements vary by brand. Some bikes will arrive fully assembled, while others may require partial assembly (e.g., attaching handlebars or pedals).
  • Tools required depend on the bike. Please contact us if you need guidance.
  • Some brands provide instructions or assembly videos. If not, we’re happy to assist or recommend a local bike shop.
  • Fully assembled delivery may be available depending on your location — contact us before purchase if this is required.
  • Professional assembly at delivery is possible in select areas.
  • Warranty coverage may depend on the assembly method and the bike brand.

Delivery Issues

  • If tracking shows “delivered” but you haven’t received your order, please contact the courier directly.
  • If your order hasn’t arrived within the estimated timeframe, contact the courier first, then reach out to us if unresolved.
  • If an order is lost in transit, contact us and we’ll follow up.
  • If your order arrives damaged, please contact us immediately with photos or supporting evidence.
  • Most orders are insured during transit — we’ll handle claims with the courier on your behalf.
  • Missing items or parts will be resent at no cost.

Returns & Refunds

  • Returns accepted within 14 days of purchase if items are unused and in original packaging.
  • Refunds are processed within 48 hours of receiving the returned product.
  • Change of mind returns are accepted if the product is unused and within the 14-day window.
  • Sale items may be returned for refund at the purchase price.
  • Returns must be shipped at the customer’s expense (except when the error is ours).
  • Non-returnable items include: used, customer-damaged, or unhygienic products.
  • Incorrectly ordered parts may be returned if unused and in original packaging.
  • Accessories that have been opened but not used may be returned, provided packaging is intact.
  • Wrong parts sent by us will be returned at our cost.
  • Store credit is available if preferred.
  • Electrical items (e.g., e-bike batteries) may be returned if unopened, at customer’s expense.
  • If a bike doesn’t fit, you may return it at your expense for a size exchange (if stock is available).
  • Bikes that have been assembled and lightly test-ridden may be returned, but we reserve the right to refuse returns showing wear (tyre use, scratches, odometer readings, etc.).
  • Change-of-mind bike returns must be arranged before shipping where possible.
  • Damaged bikes will generally be replaced once reported and confirmed.
  • Return freight for bikes is not covered by Currumbin Cycles.
  • Custom or special-order bikes are non-returnable.

Warranty Claims

  • A return is when you change your mind or no longer want a product.
  • A warranty claim applies when a product is faulty or develops a defect covered by the manufacturer.
  • Contact us first — we’ll guide you through the correct steps.
  • You’ll need to provide proof of purchase and photos of the fault.
  • Processing times vary by brand; contact us for an estimate.
  • Replacements are not provided while claims are being processed.

Cancellations & Other Concerns

  • Orders may be cancelled before shipping. Once shipped, cancellations are not possible.
  • We do not offer refunds for courier delays, though we’ll always dispatch within 2 business days if the product is in stock.
  • Incorrect items (wrong size, colour, or product) will be exchanged or refunded.
  • If you receive an incomplete order, a partial refund or replacement may be arranged.
  • For large-item returns, we can help organise freight at your cost.

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