Parts

Tough enough for the meanest streets - Durable enough for urban assault, park riding, commuting, cargo bikes, etc. - Grooved slick tread design - Wrap-around tread pattern As the original urban assault tire, we designed the Hookworm to take the abuses of the most aggressive street riders. Bead-to-bead tread provides durability and traction whether you're dropping staircases, grinding rails, or riding in your local skate park.

• Specially formulated adhesive backing to manage heat from rim brakes • Narrow - fits tubeless compatible on-road wheels with 16-20mm inner rim widths • Wide - fits tubeless compatible on-road wheels with 18-22mm inner rim widths

Your riding doesn’t need to stop when the weather gets cold. Features - Giant road thru-axle trainer axle - Alloy construction - For use on 2017+ Giant road bikes with a 142x12mm rear thru-axle

Shimano's M540s are race-ready clipless pedals that don't require a team budget. These rugged, light beauties feature dual-sided Shimano SPD bindings that are easy to enter and exit and deliver excellent power transfer and maneuverability. The bindings are adjustable for dialing in the perfect tension and these sweet pedals have an open mud-shedding design to prevent clogging. Plus, the M540s are built to last with chromoly axles and sealed-cartridge bearings. - 352 grams (pair)

Serfas' Women's RX saddle is your prescription for riding in comfort. It boasts a cutaway top that minimizes pressure, dual-density padding for cushioning, and a protective layer of friction-fighting Reactive Gel. What's more, the Twin Bar design allows each side to flex independently for even more comfort while the four-way stretch Lycra top increases the saddle's longevity. • Twin Bar Design • Rails: Steel • Size: 267mm x 171mm • Weight: 485 Grams • Cover: Silk-Tech Lycra

- 4140 Chromoly - 3 Possible peg positions for longer peg life - 14mm with 3/8-inch adapters included - 4 inches (length) x 1-3/8 inches (outer diameter) - Sold in pairs - 8.75 oz (17.5 oz for a pair)

For use in the gym or on the road, a Terry gel saddle cover can be a lifesaver when dealing with bad exercise bikes and uncomfortable bike saddles. - Synthetic nylon/Lycra cover - Gel insert made of a semi-fluid polymer that supports and distributes pressure - Contoured shape with center depression strategically located for pressure relief against soft tissue area - Secures with a tie tether over standard bike seats up to 7 inches in width and 10 inches in length - Length x width: 264mm x 160mm - Weight: 196 grams; 6.9 ounces

Shimano's BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets. Quality, value, and durability come together to keep you cranking for many, many miles. - Fits JIS Square-Taper Cranksets - Hollow spindle - Crankarm fixing bolts not included

Find a steady speed with Serfas' Pacer tire. The slick tread and long-wearing rubber compound make this an optimal choice for an all-around, durable pavement tire.

Serfas' Vida Hybrid is the perfect tire for commuting, touring and everyday riding thanks to Serfas' Flat-Protection System, a durable rubber compound for long life, and a grippy tread for excellent all-around handling on all surfaces.

Size specific composite platform pedal with optimal shoe/pedal interface. - Optimal surface area - Minimal profile 13mm thin - 9 hex traction pins per side - Premium bearings & seal system - Stamp small recommended for shoe sizes: 5-10 (us) // 37-43 (eu) - Body Material: Composite - Footprint: 111mm x 114mm - Hex Traction Pins: 9 per side (mounted from back) - Inner Bearing Type: Igus LL-glide bearing - Outer Bearing Type: Enduro cartridge bearing - Shoe Size: US 5-10 // EU 37-43 - Spindle Material: Forged scm 435 chromoly steel - Warranty: 5 years - Weight: 329g per pair

Size specific composite platform pedal with optimal shoe/pedal interface. - Optimal surface area - Minimal profile 13mm thin - 9 hex traction pins per side - Premium bearings & seal system - Stamp large recommended for shoe sizes: 10-15 (us) // 43-49 (eu) - Body Material: Composite - Footprint: 111mm x 114mm - Hex Traction Pins: 9 per side (mounted from back) - Inner Bearing Type: Igus LL-glide bearing - Outer Bearing Type: Enduro cartridge bearing - Shoe Size: 10-15 (us) // 43-49 (eu) - Spindle Material: Forged scm 435 chromoly steel - Warranty: 5 years - Weight: 329g per pair

We're not afraid to say it—our Airlock Schrader Valve Tubes are the best performing, self-sealing bicycle tubes available. That's because they feature our powerful Airlock sealant that coats the tube for permanent protection against punctures. Not only this, but the sealant is designed to work continuously in order to prevent slow leaks from occurring, so erring complete catastrophe, you won't have to worry about flatting when you're riding over debris. We even addressed the common issue of sealant pooling with a completely homogenous design, so the tire/tube combo will always roll smooth and even. - Airlock sealant for the best chance of reducing punctures. - Non-toxic, non-separating formula. - Works continuously to prevent slow leaks. - Homogenous design prevents puddles with no need to shake. - Will not dry out like the many other sealants.

Serfas delivers superior comfort for those long days on the bike with their Dual Density saddle. The base absorbs shock while the top layer uses gel to conform to your shape giving you frictionless comfort. The anatomic dip relieves pressure from sensitive areas, too. • Rails: Steel • Size: 254mm x 178mm • Weight: 575 Grams • Cover: Silk-Tech Lycra

Shimano Ultegra 6800 11-Speed Inner Chainrings - Material: Aluminum - Ring Position/Type: Inner

Our Standard Presta Valve Tubes feature a molded method of construction that ensures a consistent thickness of butyl rubber. This means that they don't have any unnecessary weight and will roll smooth, ride after ride.

Because it's hard to know when you're going to get a flat, it's always good to have extra tubes on hand. Specialized's Turbo Ultralight MTB Tube w/Talc is lightweight to save rotational weight. The Talc lets the tube move easier inside the tire for a better ride with fewer flats.

The Vermin Front MTB Tire is perfect for packed to moderately loose conditions. Its low-profile tread pattern has minimal rolling resistance for ultra-high-speed cranking and shoulder lugs that bite into the corners. Plus, this wire-bead tire is built for unparalleled puncture resistance using Serfas’ Flat Protection system. This is a rear-specific directional design.

SRAM's X4 Rear Derailleur provides precise, dependable shifting along with long-term durability. Its aluminum and steel construction delivers through the roughest trail, while SRAM's 1:1 actuation ratio and direct cable routing provide quick, reliable shifts. This derailleur is compatible with 7- or 8-speed drivetrains.

Spruce up your ride with Giant's Sole-O Lock-On Grips. They're made from soft, durable Kraton rubber with a raised waved design for an awesome grip and amazing comfort. The single-sided clamp locks onto your bar and makes for easy removal.

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.

- 0.9mm wall thickness - Removable valve core - 700c x 18 – 25 = 27 x 1 - 700c x 28 – 35 = 27 x 1-1/8, 1-1/4

Jagwire Mountain Pro Hydraulic hose is the perfect way to customize your bike while enhancing braking performance and durability. Simply select the Mountain Pro hose color you want and match it with a Quick-Fit kit (sold separately) for your brake system.

- X8.99: stretchproof, chamfered plate, full-nickel plated chain for 5-8 speed and great for internal geared hubs - Z72: chamfered inner plates with Bulls-eye rivets for 5-8 speed - Z51: standard bushingless, chamfered plate chain for 5-8 speed - Z30: economy bushingless chain for 5-8 speed - Width= 3/32-inch

Connectors feature Serfas' great dual density design for excellent comfort. The hard inners offer a firm base and the soft outers provide a tacky and comfortable feel. And Connectors are easy to install and super secure, too. • 3 & 7 speed design • Dual density design • Open-end style for easy installation • Includes: 1 twist-shift compatible grip

• Grooved heat-dissipating back plate design • Durable organic pad compound • Quiet and powerful braking performance for all weather conditions

When you ride everyday and race on the weekends, all the miles need to be comfortable. Selle SMP's Evolution sports their dropped nose design with a large open center channel that eliminates pressure on sensitive areas while still allowing full control in all conditions. The nylon shell is reinforced with carbon for added life and the stainless steel rails provide lightweight vibration damping. Light padding keeps you comfortable while the long rails provide ample fore/aft adjustment for the perfect fit.

Make sure your young rider is pedaling right with Giant's Plastic Juvenile Pedals. - 1/2-inch spindles

Shimano's SLX Disc Brakes are strong, powerful, and easily modulated. SLX post-mount calipers use two oversize ceramic pistons for impressive power that's easy to roll on and off. Ceramic pistons and finned ICE-Tech pads prevent heat buildup so you get consistent braking with no fade, even on long descents. One way bleeding gives you quick, easy maintenance and comfortable single-digit levers with reach adjust let you dial in the performance for your hands.

Dimension Seatpost Binder Bolts - 16g