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3 treble and 3 bass, set of 6.
The 109 Series 3-step button gives these machine heads a distinctive look and sets them apart from other Rotomatics®. The housing provides a maximum bearing for worm, gear and string post. Gear ratio is 14:1. Worm and gear are precision-cut for perfect meshing. eliminating backlash and slippage. Countersunk tension screw permits player to regulate turning tension to any degree. Enclosed gear box with special lubricant for a lifetime of trouble-free service.
Sealed-in, lubricated gears 14:1 gear ratio 25/64” post hole Post length to hole: 23mm Overall post length: 28.2mm Weight per pc/per set: 1.6oz/9.6oz Max. string gauge: .074” Hardware included (bushings, washers, screws)
Drop-in replacement for: • 102-18 Series • 102V Series • 103 Series • 106 Series • 109-18 Series • 135 Series (Top mounting hole will be visible) • 136 Series (Top mounting hole will be visible) • 502 Series • 509 Series
For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.
Shipping Pricing Guide
We expertly pack all of our items.
Standard Delivery for Small Parts & Accessories + Vinyl Records (2-3 Day) - £3.50
Standard Delivery for Small/Medium Items (3-5 Working Day) - £4.99
Standard Guitar & Amp Delivery (3-5 Working Day) - £9.99
Express Small/Medium Item Delivery (Next Working Day) - £9.99
Express Instrument & Amp Delivery (Next Working Day) - £14.99
Setup & Ship Service - £25.00 Professional setup service worth over £50! Lead times typically +2 days for this service.
There will be a small surcharge for parts of Scottish Highlands/Isles & Ireland, we will be in touch after you place your order. Or you ask us for a quote prior to ordering.
Dispatch Times
We aim to dispatch all orders SAME DAY WORKING DAY, if you place your order before 1PM. If your guitar requires setup work before shipping, please allow 1-2 days lead time.
International Shipping
Europe - Please contact us for a quote
USA Guitar Shipping £150-195 via UPS - (Please contact us for a quote) USA Pedal Shipping £45 via UPS - (Please contact us for a quote)
Rest of World - Please contact us for a quote
Online Orders – 14-Day Returns (Distance Selling Regulations) Customers who make a purchase online or via distance selling are entitled to return an item within 14 days of receipt, in accordance with the Consumer Contracts Regulations. Items must be in unused condition and returned with all original packaging and documentation.
Refunds will be issued to the original payment method once the item has been inspected and confirmed to be in resalable condition.
Return shipping is the responsibility of the customer unless the item is faulty or supplied in error.
In-Store Purchases Items purchased in-store are not eligible for a refund. However, we do offer exchange or a store credit (gift card) for in-store purchases returned within 14 days, provided they are in their original condition with proof of purchase.
Exclusions Please note that custom orders, modified items, B-stock, clearance items, and goods obtained through part exchange are non-refundable, unless faulty.
Partial Refunds There are certain situations where only partial refunds may be granted, at our discretion. These include, but are not limited to:
Guitars returned with protective plastic film removed from pickguards or pickups.
Items showing signs of use or handling.
Missing or damaged original packaging, tags, or accessories.
All returns are inspected upon receipt. If a return does not meet the conditions above, we reserve the right to refuse it or issue a partial refund.
Founded in 2017 as a physical store, we pivoted to e-commerce during the pandemic. Serving customers throughout the UK, we maintain our traditional storefront while thriving in the online space. A guitar store created by and for guitar enthusiasts.
