SE Bikes Perry Kramer PK Ripper 27.5w 2021 - BMX Bike
When the original PK Ripper burst onto the scene in 1979, it took the BMX world by storm & set a new benchmark for radness. Here we are now 40+ years later and it's happening again with the new PK Ripper 27.5, designed by the man himself, the PK of "PK Ripper", Perry Kramer. This ultra-cool bike features tubeless ready 27.5" x 2.5" Vee Speedster tires, sealed internal headset, internal cable routing, SRAM Level hydraulic disk brakes, Oakley B-1B grips, and of course Perry's stamp of approval. This is the PK of the future!
Key Features:
- Perry Kramer replica 6061 aluminum PK Ripper frame w/ floval tubing, seatstays wrap, internal cable routing, and looptail rear end
- Full Cr-Mo Landing Gear forks with disc tabs
- SE Racing forged alloy 2-piece cranks with 24mm hollow alloy spindle, external sealed bearing bottom bracket and alloy chainring
- SRAM Level hydraulic disc brakes with 2-piston caliper and SRAM Direct Link levers
- Tubeless compatible Alex DP30 rims with Vee Speedster 27.5 x 2.5” tires, tubeless valves and tubeless rim tape included.
- Oakley B-1B Grips with Perry Kramer Donuts
- Perry Kramer Flyer Seat with SE bottle opener
- SE Racing snap padset
- Custom Perry Kramer PK Ripper sticker sheet
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | 6061 Aluminum Floval Tubing, Internally-machined Integrated Head Tube, Symmetrical Looptail Rear End, 73mm Euro Bottom Bracket, 142mm Spaced Dropouts, Internal Cable Routing on Top Tube, Disc Brake Tabs |
| Fork | Landing Gear, Full Cr-Mo, 419mm Axle to Crown, 29mm Offset, 110mm Spaced Dropouts |
| Headset | FSA Orbit CE, Sealed 1-1/8" Integrated |
| Stem | Retro Alloy Top-Load w/ Engraved SE Logo on Top & Sides, 55mm Reach |
| Bars | Big Honkin' Cr-Mo Cruiser Bar, 29" x 7", 12° Backsweep, 2° Upsweep |
| Front Brake | SRAM Level, Hydraulic Disc, 2-Piston Caliper, 160mm Rotor, Expandable Bladder, Timing Port Closure, DOT 5.1 Fluid |
| Rear Brake | SRAM Level, Hydraulic Disc, 2-Piston Caliper, 160mm Rotor, Expandable Bladder, Timing Port Closure, DOT 5.1 Fluid |
| Brake Lever | SRAM Direct Link Level, Alloy |
| Speed | 1 |
| Rims | 142mm Rear Hub, w/ Alex DP30 Tubeless Compatible, Double-Wall Disc Rims |
| Front Hub | Alloy 36H Nutted, 110mm Front Hub |
| Rear Hub | Alloy 36H Nutted Hubs, Sealed, 142mm Rear Hub |
| Spokes | Stainless Spokes |
| Front Tyre | Vee Tire Co x SE Racing Speedster, Tubeless Ready, Folding, 72TPI, 27.5" x 2.5" |
| Rear Tyre | Vee Tire Co x SE Racing Speedster, Tubeless Ready, Folding, 72TPI, 27.5" x 2.5" |
| Seat Post | Micro-Adjust Alloy, 27.2mm |
| Saddle | Perry Kramer SE Flyer Seat w/ Custom SE Bottle Opener Brace |
| Chainset | SE Racing 175mm Forged Alloy 2-pc Cranks, External Sealed Euro Bottom Bracket, 24mm Hollow Alloy Spindle, 39T Alloy Chainring |
| Bottom Bracket | Euro Bottom Bracket |
| Chain | KMC S1 |
| Cassette | 17T Cassette |
| Pedals | X-Pedo Low-profile Platform w/ Removable Pins |
BMX Size guide
Kids BMX Size Chart
|
Rider Height |
BMX |
||
|
Feet & Inches |
Centimetres |
Approximate Age |
Wheel Size |
|
3'7" - 4'0" |
110cm - 122cm |
5 - 7 years |
16" |
|
4'0" - 4'10" |
122cm - 147cm |
7 - 11 years |
18" |
|
4'10" - 6'4" |
147cm - 193cm |
11+ years |
20" |
Adult BMX Size chart
20” BMX bikes can be sized on top tube length. A taller rider will suit a longer top tube. Though some riders might wish to experiment with top tube length to suit different riding styles, below is a suggestion.
|
Rider Height |
Top tube length |
|
5’0” – 5’5” (152 – 165cm) |
20” – 20.5” |
|
5’5” – 5’10” (165 – 178cm) |
20.75” |
|
5’10 – 6’0”+ (178 – 183cm+) |
21”+ |
Cruiser BMX Sizing
BMX Bikes with wheels larger than 24” are known as cruisers and will suit riders taller than 5’0” 152cm.
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